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The greenest cars of 2024: Vehicles that use the least fuel and cost less to operate

All-electric vehicles may make headlines for environmental friendliness and fuel efficiency, but the “greenest” car in America in 2024 has a gasoline engine. According to the American Council for an Energy-Efficient Economy's annual GreenerCars ratings of the most environmentally friendly cars, the latest Toyota Prius Prime SE plug-in hybrid tops the list of greenest cars, although it's something of an anomaly, because battery-electric EVs follow it in spots two to five. Of the top 10 vehicles in the ratings, six are electric and four are hybrids: Rank Make & Model Powertrain Green Score MSRP Estimated Annual Fuel Cost* 1 Toyota Prius Prime SE PHEV 71 $32,975 $529 2 Lexus RZ 300e EV 67 $55,150 $651 3 Mini Cooper SE EV 67 $30,900 $747 4 Nissan Leaf EV 66 $28,140 $741 5 Toyota bZ4X EV 66 $43,070 $689 6 Toyota RAV4 Prime PHEV 64 $43,690 $741 7 Hyundai Elantra Blue Gas Hybrid 64 $26,250 $864 8 Hyundai Kona Electric EV 63 $34,050 $695 9 Toyota Camry LE Gas Hybrid 63 $28,855 $907 10 Kia EV6 EV 63 $43,975 $689 11 Toyota Corolla Gas Hybrid 62 $23,500 $944 12 Hyundai Ioniq 5 EV 62 $41,650 $737 *ACEEE analysis using EIA data of annual cost—from gasoline, electricity, or a combination—of driving 15,000 miles The ACEEE also compiled two other vehicle rankings: the so-called “Greener Choices” and the “Meanest List.” The Greener Choices list includes a variety of high-scoring conventional vehicles, and the Meanest List identifies the worst-performing mass-market models. Finishing first in the “greener” list — which the organization says is about cars “available nationwide with among the lowest environmental impacts” — is the Honda Accord Hybrid. As far as the “worst-performing mass market” vehicle, that dubious distinction goes to the $184,000 Mercedes-Benz AMG G63. “ItÂ’s important for automakers to keep expanding affordable EV options rapidly so that the benefits of EVs are available to drivers across a wider spectrum of incomes as we transition away from cars that burn gasoline,” said Peter Huether, ACEEEÂ’s senior transportation research associate and lead researcher for the GreenerCars rankings. “For drivers whose needs are not met by todayÂ’s charging infrastructure, many efficient and affordable hybrid options are available.” Just over half the cars on the 2024 Greenest List start at under $35,000, including four EVs and three gas hybrids.

Kia developing 800-volt charging technology for its future electric cars

Porsche-grade technology will trickle down to the Kia range during the 2020s. The South Korean company is planning to launch no less than 11 electric cars globally by 2025, and it confirmed some will come with an 800-volt charging system that promises to slash charging times while reducing the drivetrain's weight. As of writing, the only series-produced model equipped with 800-volt technology is the Taycan; the production version of the Audi E-Tron GT concept will get it, too. Kia plans to bring it to the masses when it releases its next-generation electric cars on the European market in 2021. It hasn't detailed the models yet, but it revealed they will be built on a platform developed specifically to underpin EVs. One will "blur the boundaries between passenger and sport utility vehicles," a not-so-subtle hint that the segment-bending Imagine concept (pictured) unveiled in 2019 is headed to production. An earlier, unverified report claims Rimac will help Kia make it a reality. Building electric cars on a purpose-designed platform represents a stunning about-face for the brand. Its two battery-powered models, the Niro EV and the Soul EV, are variants of gasoline-powered models. Kia is also developing battery technology that promises to unlock up to 310 miles of driving range. It hopes the investments it's making will convince a growing number of buyers to give up gasoline once and for all. Taking this not-inexpensive route makes integrating technology like an 800-volt charging system much easier. Kia also wants to bring electric cars to the masses, so it will also offer 400-volt charging (which is widely available in 2020) to keep costs in check. It predicted motorists who drive more will pay extra for the 800-volt system, because it will deliver "sub-20-minute high-speed" charging times when plugged into a compatible station, while those who don't suffer from range anxiety will be able to save money by selecting a 400-volt system. "Certain models, particularly those aimed at more cost-conscious buyers, will offer 400-volt charging capability; 800-volt charging won’t simply be reserved for KiaÂ’s flagship models, however, but where it most closely matches the usage profile of a particular model line," said Pablo Martinez Masip, the director of product planning and pricing for Kia's European division. He added both systems can be charged at home or in public.

2021 Kia Seltos rolls style and value into a subcompact package

When Kia unveiled the Seltos, a pocket-sized crossover aimed at young buyers, it didn't reveal whether we'd see the model in the United States. The wait is over, and the American-spec variant of the soft-roader made its debut next to the updated Kia Niro at the 2019 Los Angeles Auto Show. Named after Celtos, the son of Hercules, the Seltos falls in line with Kia's recent design language without aping styling cues from a bigger model. Flanked by swept-back headlights, the upright grille flows into a hood that's surprisingly tall and long considering the car's relatively small dimensions. The Seltos was developed with urban use in mind, but it can tackle light off-roading thanks in part to an angled front bumper that increases its approach angle, and 7.2 inches of ground clearance. Kia explained it paid special attention to the materials the passengers see and touch, and it made the cabin as spacious as possible. It promised an abundance of cargo space, though it didn't provide specific figures, and noted every trim level comes with reclining rear seats. Buyers have a pair of four-cylinder engines to choose from. The entry-level unit is a naturally-aspirated, 2.0-liter that delivers 146 horsepower and 132 pound-feet of torque. Front-wheel drive and a continuously variable transmission (CVT) come standard, and all-wheel drive is available at an extra cost. Motorists seeking more power can move up the trim level hierarchy to unlock a 1.6-liter turbocharged to 175 horsepower and 195 pound-feet of torque. It's also offered with front- or all-wheel drive, but it channels its power to the driven wheels via a seven-speed dual-clutch automatic. While Hercules' lineage allegedly includes several Spartans, the Seltos is anything but. It comes with Android Auto and Apple CarPlay compatibility, and it's the first Kia offered with an optional, eight-speaker surround-sound system sourced from Bosch. Fully loaded, it features a blind spot monitoring system with a collision avoidance function, forward collision monitoring with avoidance assist, highway driving assist, adaptive cruise control, rear occupant alert, plus lane-keeping and lane-following technologies that help it stay in its lane, among other electronic driving aids.  Scheduled to go on sale during the first quarter of 2020, the Seltos will slot between the Soul and the Sportage in Kia's growing range of soft-roaders.