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Solid-state batteries: Why Toyota's plans could be a game-changer for EVs

Word out of Japan today is that Toyota is working on launching a new solid-state battery for electric vehicles that will put it solidly in the EV game by 2022. Which leads to a simple question: What is a solid-state battery, and why does it matter? Back in February, John Goodenough observed, "Cost, safety, energy density, rates of charge and discharge and cycle life are critical for battery-driven cars to be more widely adopted." And risking a bad pun on his surname, he seemed to be implying that all of those characteristics weren't currently good enough in autos using lithium-ion batteries. This comment is relevant because Goodenough, professor at the Cockrell School of Engineering at the University of Texas at Austin - it so happens, he turns 95 today - is the co-inventor of the lithium-ion battery, the type of battery that is pretty much the mainstay of current electric vehicles. And he and a research fellow at U of T were announcing they'd developed a solid-state battery, one that has improved energy density (which means a car so equipped can drive further) and can be recharged more quickly and more often (a.k.a., "long cycle life") than a lithium-ion battery. (Did you ever notice that with time your iPhone keeps less of a charge than it did back when it was shiny and new? That's because it has a limited cycle life. Which is one thing when you're talking about a phone. And something else entirely when it involves a whole car.) What's more, there is reduced mass for a solid-state battery. And there isn't the same safety concern that exists with li-ion batteries vis-a- vis conflagration (which is why at airplane boarding gates they say they'll check your carryon as long as you remove all lithium-ion batteries). Lithium-ion batteries may be far more advanced than the lead-acid batteries that are under the hood of essentially every car that wasn't built in Fremont, Calif., but as is the case with those heavy black rectangles, li-ion batteries contain a liquid. In the lithium-ion battery, the liquid, the electrolyte, moves the lithium ions from the negative to the positive side (anode to cathode) of the battery. In a solid-state design, there is no liquid sloshing around, which also means that there's no liquid that would freeze at low operating temperatures. What Toyota is using for its solid-state battery is still unknown, as is the case for the solid-state batteries that Hyundai is reportedly working on for its EVs.

Recharge Wrap-up: 1M Lexus hybrids, Best Buy Geekmobile goes Prius

Cummins is developing a plug-in hybrid system for heavy trucks. Its plug-in system for Class 6 trucks (those with a gross vehicle weight between 19,000 and 26,000 pounds) is expected to improve fuel economy by 50 percent. Funded in part by a $4.5-million grant from the US Department of Energy (DOE), the system will use a battery pack and some form of range extending internal combustion engine. The system will employ various drive cycles in order to help commercial fleets save fuel based on their needs. Read more at Gas2. German automaker Borgward, LG Chem, Bosch, and software firm SAP have joined forces to form an electric mobility partnership. Borgward recently revived its brand with a new model, the BX7. Borgward has also announced that two other models, the BX5 and BX6, will be available as plug-in hybrids. SAP will provide software services, and LG Chem will supply battery technology to Borgward. Bosch will supply and help develop a number of components for Borgward cars. Read more at Inside EVs. Lexus has sold its millionth hybrid. The luxury automaker began selling hybrids with the electrified RX in 2005, and the millionth hybrid was a NX 300h sold to a customer in Milan, Italy. "This is my first Lexus," says the customer of that vehicle in a Lexus release, Aldo Pirronello. "... and I am honored to celebrate this important milestone with Lexus!" Lexus currently sells 10 hybrid models worldwide. Read more from Lexus. Best Buy's Geek Squad is switching from Volkswagen Beetle Geekmobiles to the Toyota Prius C. As part of an update to the home electronics chain's house call service, the Geeks will be driving more eco-friendly cars with a refreshed logo. More than 1,000 Prius C Geekmobiles are being deployed nationwide. With the Geek Squad answering more than 5 million house calls a year, the fuel savings from switching to a more efficient hybrid cars means reduced emissions over the 12.6 million miles they'll drive per year. Read more in the press release below. Vehicle of Choice for Geeks? Toyota Prius c An armada of agents is about to roll out in Toyota Prius c. Their mission: to help people across America get the most from their technology. Starting today, Best Buy's Geek Squad will dispatch more than 1,000 of the vehicles – fully decked out as the new Geekmobile – nationwide.

Legendary off-road cars and SUVs that were never sold in America

America has long stood proud as the land of 4x4s, but many of our best-selling off-roaders would flop on the European market due in part to size constraints. Can you imagine trying to park a Ford Bronco Raptor in a town built by the Romans? Or, how much it would cost to fill up a Chevrolet Silverado HD ZR2 if you're paying $8 for a single gallon of gas? Historically, most of the 4x4s sold in Europe have been tailored to the local market. Here are five cool European-market off-roaders that have never received permission to hang out with the Jeep crew in Moab. 2014 Dacia Duster View 10 Photos Dacia Duster In a way, the original Dacia Duster released in 2010 is the NA-generation Mazda MX-5 Miata of Europe's off-roader segment. I'm not talking about handling; it takes a turn with the liveliness of a blimp. But, like the original Miata, the first-generation Duster brought a big serving of modernity to its segment. It gave buyers a far more daily-drivable alternative to the ancient Lada Niva without sacrificing off-road capacity, in the same way that the first Miata provided top-down enthusiasts with a more up-to-date alternative to British and Italian roadsters of the era. Cheap and cheerful, the Duster is closer to a crossover than to a burly, body-on-frame SUV. It's built on a unibody platform, powered by a relatively small four-cylinder engine, and compact enough to zig-zag through crowded urban centers. Unlike, say, the Nissan Qashqai (which we knew here as the Rogue Sport), it was designed for mild off-roading — it appeals to folks who live in rural areas, adventure-minded buyers, and first responders. It wasn't offered with a two-speed transfer case or locking differentials, but models equipped with the optional part-time four-wheel-drive system (front-wheel-drive came standard) featured a six-speed manual transmission with an ultra-low first gear. Dacia sold the original Duster through 2017 in many European countries, though production continued for several more years in overseas markets (where the off-roader often wore a Renault badge). Its successor, which is still built in 2023, arrived in 2017 with the same focus on off-roading but a longer list of features and a nicer interior. More than a decade after its launch, the original Duster remains a common sight.