Tag Archives: Nature & Environment

CES: So very big, so little sustainability tech

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Every third booth at CES showed off some new AI product or other. If you wanted to find a robotic lawn mower, throw a rock. Humanoid robots, smart locks and super thin TVs were everywhere. But if you went looking for sustainability products, you’re going to have to hunt a bit.

Last year, the Sustainability section at the Las Vegas Convention Center had 20 booths. This year, there were 38, but that’s in part due to the combination of the energy and sustainability categories. So exhibitors like South Korea’s largest electric utility company, a nuclear power company from the same country and lots of battery manufacturers. There was also an AI data platform booth in the section that had nothing to do with sustainability as far as I can tell. Guess the organizers just ran out of room for all the AI.

Within the sustainability section, and at other CES venues, I found a few encouraging displays of sustainable products — organizations and devices that were trying to address the multitude of problems the world is facing when it comes to energy production, climate and pollution.

But none of it quite achieved Engadget’s best of CES status this year. Some of what we saw was utility-scale, some wasn’t quite ready for consumer consumption and other stuff was too niche or had too many caveats to make the list. I won’t go so far as to say sustainability is dead at CES, because that sends me into dark downward spirals, but it’s getting sparse out there, friends.

Here are the companies I saw that had promise and innovative ideas. And gosh darn it, at least these guys are trying.

Spinning the Shine Turbine 2.0
Spinning the Shine 2.0 wind turbine
Amy Skorheim for Engadget

This little guy could be a precursor to some serious personal wind power generation. That’s where the company is heading. For now, the Shine 2.0 can use as little as a light breeze to start generating power to charge your smartphones, laptops or even a power station. The whole unit weighs three pounds and sets up in around two minutes. The second generation model can output up to 75 watts and the company is working on a third version that goes up to 100 watts for even more substantial energy production.

Learn more at Shine.

Flint batteries break down by 70 percent in four weeks in a compost pile.
Flint batteries break down by 70 percent in four weeks in a compost pile.
Amy Skorheim for Engadget

When I approached Flint’s booth, the rep told me the company made cellulose batteries. And I thought, like paper-wrapped batteries? Nope. The chemicals inside the batteries are made from cellulose. They have a solvent-free, lithium-free, PFAS-free chemistry and break down by 70 percent in four weeks in a composting environment. They use the same basic architecture as a lithium-ion cell, with an anode, cathode and separator with ion transfers between the two. As of now, Flint is focused on partnering with manufacturers, and consumer products are on the horizon.

Learn more at Flint.

The Clear Drop soft plastics compactor next to a pile of the bricks it produces.
The Clear Drop soft plastics compactor next to a pile of the bricks it produces.
Amy Skorheim for Engadget

The Clear Drop is a soft plastics compactor that creates eight by twelve by four-inch bricks out of hundreds of grocery bags, bubble wrap, ziplocks and plastic packaging. One brick is equivalent to a 30-pound trash bag-worth of bags. Once the brick is created, it can be shipped to one of Clear Drop’s partner facilities in a pre-paid USPS shipping envelope. They currently work with a few US-based recycling facilities and hope to one day create an infrastructure to include municipal recycling.

Learn more at Clear Drop.

Alpha power by CPTI
Alpha power by CPTI
Amy Skorheim for Engadget

From what I’ve learned at the show, perovskite is the hottest thing in solar right now. It’s a mineral compound that’s been used to create more efficient solar panels. Some so sensitive to light that just indoor illumination is enough to create usable energy. Alpha Power by CPTI creates lightweight, flexible perovskite solar panels that can conform to multiple surfaces. Again, this is a company that’s partnering with manufacturers, so look for panels built into your laptop to charge it under the glare of your too-harsh office lights.

Learn more at CPTI.

3D models of buildings using Green Vigor technology.
3D models of buildings using Green Vigor technology.
Amy Skorheim for Engadget

Down in the lower levels of the Venetian Expo at CES I found Green Vigor in the Hong Kong pavilion. This small company has two solutions to create energy for buildings by harnessing the potential energy from existing systems. HydroVigor generates power from water systems. So every time someone washes their hands or flushes a toilet in a building, the roof-top system generates a bit of power. CoolVigor uses the same principles to harness energy from HVAC systems. HydroVigor is currently in use in many buildings in Singapore and Hong Kong and they’re working to expand to more buildings globally.

Learn more at GreenVigor.

Jackery's Solar Gazebo.
Jackery's Solar Gazebo.
Amy Skorheim for Engadget

This outdoor hangout spot can produce up to 10kWh of power on a given day. It’s a modular design that lets you choose louvered walls, sunshades, lights and fans when you order it and the solar panels are so strong that a full-sized human Jackery rep was able to stand on a sample panel in front of me and nothing cracked (though the company officially rates it at 20 pounds of snow per square foot). You can use the power directly, tie it into your home system, feed it into the grid or hook it up to one of Jackery’s many power stations to save the power for later. The gazebo costs $12,000 and will ship in mid-2026.

Learn more at Jackery.

Bluetti's DIY RV Solar power system
Bluetti's DIY RV Solar power system
Amy Skorheim for Engadget

Bluetti, like Jackery, is known for its vast lineup of portable and fixed power stations and batteries. This year, it brought a new power station made with bio-based plastic as well as a DIY system for adding solar power to your existing RV.

Learn more at Bluetti.

Airloom's roller coaster-like wind power generator for data centers.
Airloom's roller coaster-like wind power generator for data centers.
Amy Skorheim for Engadget

Engadget’s Anna Washenko does a great job of explaining the tech behind Airloom. In short it’s a roller coaster for wind that’s comprised of 40 percent less mass than a standard wind turbine and uses 42 percent fewer parts and 96 percent fewer unique parts. That makes it faster to deploy and cheaper to instal. I can also be sited in more places. Again, this is a utility-scale solution, geared towards data centers and their insatiable need for energy to power Very Important AI Things.

Learn more at Airloom.

Gaotu had a range of solar products in various formats.
Gaotu had a range of solar products in various formats.
Amy Skorheim for Engadget

If you are looking for a solar-powered anything, hit up Gaotu. At the company’s booth, I saw hats, a fishing chair, a backpack, a sunbrella and a car roof-top enclosure that unfurls to charge up your Tesla. The Shenzhen-based company has been in business for 18 years and plans to just keep sticking solar panels on anything it can.

Learn more at Gaotu.

Segway's latest cargo e-bike
Segway's latest cargo e-bike
Amy Skorheim for Engadget

The single largest booth in the CES sustainability section was Segway. This year, the company showed off two new e-bikes, which our own Dan Cooper covered. This one here is the Muxi, a cargo bike with an easily swappable battery, an optional passenger seat with foot pegs and an optional middle basket. Plus a beverage cup holder.

Learn more at Segway.

If we don’t all fall into the ocean before then, perhaps CES 2027 will have a stronger showing of sustainability tech. In the meantime, I’ll take a modicum of comfort in these few brave organizations still dedicated to keeping us afloat.

This article originally appeared on Engadget at https://www.engadget.com/science/ces-so-very-big-so-little-sustainability-tech-180000648.html?src=rss

Bluetti’s Charger 2 uses solar and engine power to charge your portable battery

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If you’re off-roading, it’s a neat idea to use your engine to top up your battery, which prompted Bluetti to launch the Charger. You could hook it to your alternator and draw off energy as you drove to make sure you turned up to your campsite with full batteries. But if you’re also toting around solar panels on your roof, then it’s a shame you can’t also use that power to top up. This omission is what prompted Bluetti to turn up to CES 2026 with the Charger 2, which will take power from your engine and your solar panels at the same time.

Bluetti says the Charger 2’s dual-input architecture will accept 600W from the panels, 800W from the engine. All of that power will charge your batteries significantly faster than the first model, claiming it’s 13 times faster than a standard car charger. In addition, Charger 2 can manage more than one Bluetti power station and expansion batteries, should your power needs stretch. And the system is smart enough to know where the energy is coming from, managing the sources based on their availability. Plus, you can use it to jump start your engine should you need the help.

If you’re a Charger 1 owner and want to upgrade, it’s fairly painless to drop the old unit out in favor of its replacement. It uses the same cabling, so you can just hook the new model to your existing wires without having to get your fingers greasy. To reward that loyalty, the company will sell you an upgrade for $99, at least through February 7.

As for everyone else, you’ll be able to pick up the Charger 2 for $349 through February 7, at which point the price leaps to $499.

This article originally appeared on Engadget at https://www.engadget.com/general/bluettis-charger-2-uses-solar-and-engine-power-to-charge-your-portable-battery-230000270.html?src=rss

Bluetti’s Charger 2 uses solar and engine power to charge your portable battery

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If you’re off-roading, it’s a neat idea to use your engine to top up your battery, which prompted Bluetti to launch the Charger. You could hook it to your alternator and draw off energy as you drove to make sure you turned up to your campsite with full batteries. But if you’re also toting around solar panels on your roof, then it’s a shame you can’t also use that power to top up. This omission is what prompted Bluetti to turn up to CES 2026 with the Charger 2, which will take power from your engine and your solar panels at the same time.

Bluetti says the Charger 2’s dual-input architecture will accept 600W from the panels, 800W from the engine. All of that power will charge your batteries significantly faster than the first model, claiming it’s 13 times faster than a standard car charger. In addition, Charger 2 can manage more than one Bluetti power station and expansion batteries, should your power needs stretch. And the system is smart enough to know where the energy is coming from, managing the sources based on their availability. Plus, you can use it to jump start your engine should you need the help.

If you’re a Charger 1 owner and want to upgrade, it’s fairly painless to drop the old unit out in favor of its replacement. It uses the same cabling, so you can just hook the new model to your existing wires without having to get your fingers greasy. To reward that loyalty, the company will sell you an upgrade for $99, at least through February 7.

As for everyone else, you’ll be able to pick up the Charger 2 for $349 through February 7, at which point the price leaps to $499.

This article originally appeared on Engadget at https://www.engadget.com/general/bluettis-charger-2-uses-solar-and-engine-power-to-charge-your-portable-battery-230000270.html?src=rss

Bluetti’s Charger 2 uses solar and engine power to charge your portable battery

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If you’re off-roading, it’s a neat idea to use your engine to top up your battery, which prompted Bluetti to launch the Charger. You could hook it to your alternator and draw off energy as you drove to make sure you turned up to your campsite with full batteries. But if you’re also toting around solar panels on your roof, then it’s a shame you can’t also use that power to top up. This omission is what prompted Bluetti to turn up to CES 2026 with the Charger 2, which will take power from your engine and your solar panels at the same time.

Bluetti says the Charger 2’s dual-input architecture will accept 600W from the panels, 800W from the engine. All of that power will charge your batteries significantly faster than the first model, claiming it’s 13 times faster than a standard car charger. In addition, Charger 2 can manage more than one Bluetti power station and expansion batteries, should your power needs stretch. And the system is smart enough to know where the energy is coming from, managing the sources based on their availability. Plus, you can use it to jump start your engine should you need the help.

If you’re a Charger 1 owner and want to upgrade, it’s fairly painless to drop the old unit out in favor of its replacement. It uses the same cabling, so you can just hook the new model to your existing wires without having to get your fingers greasy. To reward that loyalty, the company will sell you an upgrade for $99, at least through February 7.

As for everyone else, you’ll be able to pick up the Charger 2 for $349 through February 7, at which point the price leaps to $499.

This article originally appeared on Engadget at https://www.engadget.com/general/bluettis-charger-2-uses-solar-and-engine-power-to-charge-your-portable-battery-230000270.html?src=rss

Bluetti’s Charger 2 uses solar and engine power to charge your portable battery

Posted on by

If you’re off-roading, it’s a neat idea to use your engine to top up your battery, which prompted Bluetti to launch the Charger. You could hook it to your alternator and draw off energy as you drove to make sure you turned up to your campsite with full batteries. But if you’re also toting around solar panels on your roof, then it’s a shame you can’t also use that power to top up. This omission is what prompted Bluetti to turn up to CES 2026 with the Charger 2, which will take power from your engine and your solar panels at the same time.

Bluetti says the Charger 2’s dual-input architecture will accept 600W from the panels, 800W from the engine. All of that power will charge your batteries significantly faster than the first model, claiming it’s 13 times faster than a standard car charger. In addition, Charger 2 can manage more than one Bluetti power station and expansion batteries, should your power needs stretch. And the system is smart enough to know where the energy is coming from, managing the sources based on their availability. Plus, you can use it to jump start your engine should you need the help.

If you’re a Charger 1 owner and want to upgrade, it’s fairly painless to drop the old unit out in favor of its replacement. It uses the same cabling, so you can just hook the new model to your existing wires without having to get your fingers greasy. To reward that loyalty, the company will sell you an upgrade for $99, at least through February 7.

As for everyone else, you’ll be able to pick up the Charger 2 for $349 through February 7, at which point the price leaps to $499.

This article originally appeared on Engadget at https://www.engadget.com/general/bluettis-charger-2-uses-solar-and-engine-power-to-charge-your-portable-battery-230000270.html?src=rss

The Shine 2.0 is a compact wind turbine for your next camping trip

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As power gets more dicey, personal energy generation only gets more appealing. Shine’s compact turbine isn’t going to power your house any time soon (though Rachel Carr, the company’s co-founder told me they have plans in that direction) but it can suck up the energy required to refill a smartphone in as little as 17 minutes. Of course, what it can generate depends on wind speed. That same charge could take as long as 11 hours if there’s only a slight breeze.

That power curve, and its ability to operate at night, sets the turbine apart from solar panels. Of course, on a completely still day, the Shine as inert as a becalmed sailing ship but if the wind picks up even as little as a breeze, it gets to work making power. The turbine even automatically pivots on the included stand to face into the wind.

Shine turbine 2.0
Shine turbine 2.0
Shine

The Shine 2.0 looks like a thin space football and has a screw-off cap that reveals a hollow compartment for the stand and tie downs. The cap then doubles as a key to unlock the blades. It all weighs just three pounds, which is impressively light considering it also houses a 12,000mAh battery that can output up to 75 watts. This is the second version of the turbine and updates include a USB-C port instead of USB-A, as well as app connectivity.

The company claims you can set the entire thing up in around two minutes. I watched the Carr take the turbine from fully closed to unfurled and ready for the stand in about that long. Unfortunately, there was no wind rushing through the CES show floor so I couldn’t see it spin, but Carr was kind enough to spin it for me.

Spinning the Shine Turbine 2.0
Spinning the Shine Turbine 2.0
Amy Skorheim for Engadget

Possibly the most exciting part is Shine’s plan for more expansive power generation. Shine 3.0, which the company is working on now, will be a 100 to 300 watt system and grid-tied turbines are on the wish list.

Pre orders are now open for the Shine 2.0 through Indiegogo for $399 and units should begin shipping this spring.

Update, January 7 2026, 4:00PM ET: This story has been updated to correct the wattage output and include the co-founder’s name.

This article originally appeared on Engadget at https://www.engadget.com/home/smart-home/the-shine-20-is-a-compact-wind-turbine-for-your-next-camping-trip-191000940.html?src=rss

Clear Drop is trying to do something about all those plastic bags under your sink

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Even if you bring home as few bags as possible — using reusable bags, carrying purchases home with your own two hands — soft plastics sill accumulate. I certainly have a collection with one flimsy plastic sack filled with dozens or hundreds of others. I plan to do something with it… eventually.

Unfortunately, there aren’t a ton of options for what to do with those soft plastics, as most recycling facilities can’t accept them. But no one likes seeing them end up in oceans and rivers and stuck up in trees. So I was excited to see the Clear Drop Soft Plastic Compactor (CPC) at CES. It’s a pre-recycler for your home that turns hundreds of bags into a solid brick that’s easier to transport. Certain facilities can accept the bricks for recycling.

Clear Drop works with 95 percent of soft plastics, sucking up bags, bubble wrap, ziplocks, package wrap and cling film into its maw. It then compresses and heats the plastic to form a compact eight by twelve by four inch brick. I asked Matt Daly, Clear Drop’s head of product, what the compactor can’t take and I was told you can’t add ping pong balls, IV bags and camera film. Easy enough.

A compacted brick the Clear Drop CPC produced.
A compacted brick the Clear Drop CPC produced.
Amy Skorheim for Engadget

It was satisfying to see the little slot on the top gobble up the plastic bags Daly fed it. The Clear Drop wasn’t set to smash and heat at the show, but I was assured by another Clear Drop rep that any plastic smell produced during operation was minimal and the company performed safety tests to ensure the machine didn’t create any harmful emissions.

Daly said it would take about a month for most households to create a brick, which translates to around a 30 gallon trash bag full of other bags. Once that brick is created, it can be shipped to one of Clear Drop’s partner facilities and pre-paid USPS shipping envelops are included. They work with multiple US-based recycling facilities and do audits to ensure the bricks are actually being recycled.

Of course, I was a little disappointed the bricks couldn’t be tossed in my blue curbside bin, but Daly said they’re working to bring more recycling partners on board and the ultimate goal is to create an infrastructure that would eventually include municipal recycling. Shipping the bricks somewhere feels a little counterproductive, eco-wise. And the machine itself is not cheap. The price is split up over the course of two years, but it adds up to $1,400.

I’m happy to see someone somewhere is doing something to address a pretty clear problem. While it’s not perfect, this is probably the best household-level solution I’ve seen to that can ensure your bags don’t go down some sea turtle’s throat.

This article originally appeared on Engadget at https://www.engadget.com/home/smart-home/clear-drop-is-trying-to-do-something-about-all-those-plastic-bags-under-your-sink-140000254.html?src=rss

Birdbuddy’s new smart bird feeder can ID birds by their songs

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I’m seeing a ton of smart bird feeders again this year at CES — and I’m inexplicably drawn to them. Perhaps because the idea of birds nibbling on seeds and flying away represents a natural purity and freedom that doesn’t exist within the halls of CES. Birdbuddy was one of the first smart bird feeder brands, with a wildly successful Kickstarter back in 2020. And this year, they’ve added birdsong to their species identification capabilities.

Two new feeders, the Birdbuddy 2 and the Birdbuddy 2 Mini both have the new feature, but the latter is a more affordable, starter version. The Bird Buddy 2 is solar-powered with built-in panels. It’s slightly larger and has a bigger seed capacity, too. Both have HD cameras you can manually position either vertically or horizontally and both have a mic to help with birdsong IDs.

Upgrades to the cameras include a faster wake-up time when a bird lands and the housing for the seed and camera has a more modular design that makes the feeder easier to clean. The lens is now protected by Gorilla Glass, which may seem excessive, but Rhian Humphries, Birdbuddy’s senior PR manager, said curious birds often peck at the camera looking for more food.

The AI Birdbuddy uses was trained on real bird visits and at the end of each day, you’ll get a “postcard,” a curated look at the birds that visited your feeder that day. Of course, the app can also alert you each time you have a feathered customer in your yard so you can tune into nature’s live feed and soothe your soul for a few.

The Birdbuddy 2 goes for $199. It sold out during the pre-order phase, and those units will ship in February, but more will be available in mid 2026. The Birdbuddy 2 Mini costs $129 with pre-orders opening in summer.

This article originally appeared on Engadget at https://www.engadget.com/home/smart-home/birdbuddys-new-smart-bird-feeder-can-id-birds-by-their-songs-122000692.html?src=rss

Airloom will showcase its new approach to wind power at CES

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One of the many concerns about artificial intelligence these days is how the rush to build data centers is impacting local communities. Data centers can create a drain on resources, and some utility companies have already said customers can expect to see their electricity bills growing as these facilities increase demand. There have been some discussions of what other power sources could support the AI engine, and wind power specialist Airloom is one company that's looking to address the problem. Ahead of the business' upcoming appearance at CES, we've learned a bit about what Airloom has accomplished this year and what it is aiming for next.

Rather than the very tall towers typically used for this approach, Airloom's structures are 20 to 30 meters high. They are comprised of a loop of adjustable wings that move along a track, a design that’s akin to a roller coaster. As the wings move, they generate power just like the blades on a regular wind turbine do. Airloom claims that its structures require 40 percent less mass than a traditional one while delivering the same output. It also says the Airloom's towers require 42 percent fewer parts and 96 percent fewer unique parts. In combination, the company says its approach is 85 percent faster to deploy and 47 percent less expensive than horizontal axis wind turbines. Airloom broke ground on a pilot site in June for testing out its approach and confirming how those figures work in practice.

It’s not feasible to bring a wind farm, even a small one, into CES, but Airloom will have a booth at the event with materials about its technology and engineering. While the business isn't in a consumer-facing field, the impact of Airloom's work could have a future positive impact on people if the data center boom continues.

This article originally appeared on Engadget at https://www.engadget.com/science/airloom-will-showcase-its-new-approach-to-wind-power-at-ces-160000063.html?src=rss

Toyota’s Prius Prime saved me gas money but probably not the environment

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I’ve always wondered what it would be like to own a plug-in hybrid, and recently, fate handed me that opportunity. On a recent trip to Vancouver, I rented a 2024 Toyota Prius Prime for nearly two months — the ideal scenario to try out North America’s most popular PHEV.

Previously, the words "Prius" and "sexy" were rarely used in the same sentence. However, I think the wedge-shaped Prius Prime introduced for 2023 is much sexier than its frumpy predecessors. The sleek shape also pierces the wind better to improve efficiency. It’s lower to the ground than before, though, which can make entry tough for taller or older people.

I was comfortable in the Prius Prime once seated, even though the materials and options aren’t quite as luxurious as other PHEVs sold in the US. On two 10-hour highway drives from Vancouver up to northern Canada I never felt sore (or cold) in the well-bolstered, heated seats. However, visibility wasn’t the greatest due to the low seating position and thick front pillars that occasionally blocked my view of traffic.

Driving Toyota’s Prius Prime showed me the perks (and problems) with plug-in hybrids
Steve Dent for Engadget

With its wraparound dash and 8-inch touchscreen, the interior is reasonably high-tech but not to the standard of some EVs I’ve tried recently. It came with wireless CarPlay and Android Auto support that gave me seamless streaming entertainment on long highway stretches. The driver safety features (lanekeeping, adaptive cruise, automatic braking and more) also boosted my confidence in Vancouver’s gnarly traffic. The Prius Prime doesn’t offer true one-pedal implementation, but it has a mode that’s close to that.

With a two-liter 150 HP gas motor and 161 HP electric motor (net 220 HP combined), the 2024 (fifth generation) Prius Prime has a whopping 100 more horsepower than the previous model. The electric drivetrain is supplied by a 13.6kWh battery (10.9kWH usable) that takes four hours to charge at 240 volts, or double that with 120-volt household electricity. That means you can juice it fully overnight, but it doesn’t have DC fast-charging for speedy power-ups on longer trips. The EPA electric range is 44 miles, 19 more than the fourth-gen Prius.

It accelerated surprisingly well (from 0 to 60mph in 6.7 seconds) and was agile, but had a fair amount of body roll since it’s not designed for the race track. Still, considering the Prius’s reputation as a staid hippie econobox, the new model was downright sporty. I enjoyed driving in the all-electric mode much more than the hybrid mode, though — it was quieter and smoother, with lower noise levels and vibration.

So, how far was I able to drive on that electric motor alone? On the highway at about 65 MPH, I eked out 30 miles and just over 40 miles in the city. On one trip, I drove from the city center to a suburb 30 miles away and made it there and partially back on a full charge. On another voyage, I was able to drive back and forth between the east- and west-most points of Vancouver (13 miles) — a typical commute for many city-dwellers — with about a quarter charge to spare.

Driving Toyota’s Prius Prime showed me the perks (and problems) with plug-in hybrids
Steve Dent for Engadget

With consistent charging, my fuel consumption over a two week period (averaging 25 miles per day) was about a quarter of a tank or around $7.50. In terms of electricity, I used nearly 70.5kWh during that time at $.085/kWh, for a total of $6. All told, I spent $13.50 for gas and electricity over 350 miles of mixed driving, so the Prius Prime was clearly cheap to operate.

For longer trips, it’s still as inexpensive as it gets for a gasoline-powered vehicle, thanks to the efficient ICE motor and hybrid system that’s among the best in the industry. With a full battery charge and tank, I set out on a 547-mile drive and travelled 470 miles before stopping for gas, with a quarter tank to spare. That fill-up cost around $25.

The timing for my test of this car was ideal. In October, I spotted a European study concluding that PHEVs aren’t as economical as expected over a large sample size. Engadget’s article about that stirred up some passion among owners and potential buyers, so I wanted to compare my experience with points in the study.

First, let’s see if a PHEV is worth the extra money compared to a regular hybrid. My calculations are for the average US buyer and don’t take state or federal clean air rebates into account.

When I chose to rent a "compact" car, Avis assigned me a mid-range Prius Prime XSE — a model that lists at $37,320 but typically sells for $34,590, according to Edmunds. That suited me well as it only lacked a few features of the high-end XSE Premium, notably the larger 13.2-inch infotainment display and solar roof option. A fully equipped 2026 XSE Premium model with those features costs $41,665.

Driving Toyota’s Prius Prime showed me the perks (and problems) with plug-in hybrids
Steve Dent for Engadget

Since Toyota also makes a regular hybrid Prius, that vehicle offers an ideal comparison. The equivalent Prius XTE model has a list price of $31,995 in a similar configuration, making it $5,325 cheaper than the Prius Prime XSE.

The average US driver covers 13,662 miles per year and gasoline currently has a median $3 per gallon price. Over that distance, a non-PHEV Prius driver could expect to burn 273 gallons at 50 MPG (EPA combined) in a year, spending $819 on fuel.

A Prius Prime driver, on the other hand, would use 70 to 85 percent less fuel by current EPA or WLPT estimates. If we generously take the high end of those numbers at 85 percent, that cuts fuel costs to $160. That would require using about 2,500 kWh of electricity, though, so at an average US price of $0.18/kWh, that amounts to $450, for a total of $610 (gas plus electricity). That means you’d save just $209 in a year, or $2,090.00 over 10 years — not enough to justify the extra price. (Fuel and electricity prices, usage and other factors vary by region and can have a big impact on those figures.)

It could be even worse than that, according to a European automotive thinktank called Transport & Environment (T&E). After gathering real-world OBFCM data from 800,000 vehicles, they determined that PHEVs only run in all-electric mode 27 percent of the time, rather than 84 percent as estimated by Europe’s WLPT standard. As a result, plug-in hybrids in Europe emit five times more emissions and cost users €500 ($586) more per year than previously thought. Those figures are likely similar in the US.

Driving Toyota’s Prius Prime showed me the perks (and problems) with plug-in hybrids
Steve Dent for Engadget

How could regulators be so wrong about this key data? The first, obvious reason is that they underestimated how often people charge their vehicles. With their relatively short range, plug-in hybrids often need a full charge to get through the day in electric-only mode — but many people aren’t doing that.

Why? One reason may be a lack of easy charger access away from home. I found them to be difficult to find and use, often requiring a sign-up or app rather than just letting me tap a credit card (I’m looking at you, ChargePoint, Flo and Switch Energy). It can also be more expensive than just buying gasoline, since many companies charge triple or more the market rate for electricity. Another factor is that drivers of company or fleet PHEVs charge their vehicles less often than private owners.

There's one additional and especially pernicious reason: The ICE engine often kicks in when PHEVs are supposedly running in all-electric mode, particularly with heavier sedans or SUVs. That’s because the electric motors alone aren’t powerful enough for maneuvers like passing.

Larger batteries can boost all-electric usage, but only to a point. Beyond 45 miles of range, emissions actually increase. The reason is simple: "Long-range PHEVs are the heaviest in the dataset, averaging 28 percent more mass and 33 percent more engine power than the group just below," T&E wrote.

Driving Toyota’s Prius Prime showed me the perks (and problems) with plug-in hybrids
Steve Dent for Engadget

Overall, I enjoyed my time with the Prius Prime and found it to be fun, practical and cheap to drive. It’s the most economical PHEV because it has excellent electric range and enough power that the ICE engine rarely needs to kick in. At the same time, it offers the highest EPA mileage rating of any non-EV sold in North America. If I were in the market for a new vehicle, the Prius Prime would be high on my list.

However, I also learned that PHEVs aren’t reducing emissions or saving buyers as much as regulators and manufacturers have promised. Governments are to blame for much of that, as they overestimated all-electric use in PHEVs and failed to support the charging infrastructure needed to make them practical.

Responsibility also falls to automakers and buyers. Consumers want SUVs, but manufacturers aren’t making the electric motors in PHEVs powerful enough to run all the time in EV mode or offering fast DC charging. At the same time, drivers are failing to charge their vehicles consistently. Until those issues are solved, in my experience plug-in hybrids are a poor substitute for EVs in terms of emissions and a less economical choice than regular hybrids.

This article originally appeared on Engadget at https://www.engadget.com/transportation/toyotas-prius-prime-saved-me-gas-money-but-probably-not-the-environment-133027378.html?src=rss