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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.

Toyota recalls 250 vehicles in two separate campaigns

Toyota is keeping on top of things by issuing two, small recalls on 2015 model year vehicles. The first covers 230 examples of the 2015 Yaris. In the affected models, the bolts holding the rear axle bearing might not be tight enough. If one of these fasteners falls off, it could possibly damage the rear brakes, including the potential of a wheel locking up. The second, even smaller campaign covers just 20 units of the 2015 Tacoma TRD Pro pickups. In the examples delivered to Puerto Rico, they didn't have the correct placard to advise owners of the correct tire size and pressure on the B-pillar. Neither problem has resulted in any crashes, injuries or fatalities. As usual, affected owners will be notified by mail, and Toyota dealers will repair the issues free of charge to customers. Toyota spokesperson Cindy Knight tells Autoblog that those letters will go out in mid-March. TOYOTA RECALLS CERTAIN MODEL YEAR 2015 YARIS AND TACOMA VEHICLES TORRANCE, Calif., February 17, 2015 – Toyota Motor Sales, U.S.A., Inc., today announced it will conduct a safety recall of approximately 230 Model Year 2015 Yaris hatchbacks and approximately 20 Model Year 2015 Tacoma TRD Pro model pickup trucks. In the involved Yaris vehicles, the rear axle bearing bolts may not have been tightened sufficiently during vehicle assembly. If a bolt is loose and falls off during vehicle operation, the bolt could damage rear brake components, resulting in reduced brake performance or potential wheel lock up, which could increase the risk of a crash. The Tacoma TRD Pro model pickup trucks were distributed to dealers in Puerto Rico without the correct B-pillar tire placard indicating the tire size and recommended cold tire inflation pressure for the front and rear tires. An improperly inflated tire can increase the risk of a crash. Toyota is not aware of any crashes, injuries, or fatalities caused by either condition. Owners of the involved vehicles will receive a notification by first class mail. Toyota dealers will repair the vehicles at no cost to the owner. Detailed information is available at www.toyota.com/recall and by calling Toyota Customer Service at 1-800-331-4331. ### Featured Gallery 2015 Toyota Yaris View 12 Photos Related Gallery 2015 Toyota TRD Pro Series Tundra, Tacoma and 4Runner News Source: Toyota Recalls Toyota Safety Truck Hatchback

Automakers drop support for Trump effort against California emissions

WASHINGTON — Toyota, Fiat Chrysler (now known as Stellantis following its merger with Peugeot) and other major automakers said on Tuesday they were joining General Motors in abandoning support for former President Donald Trump's effort to bar California from setting its own zero emission vehicle rules. The automakers, which also included Hyundai, Kia, Mitsubishi, Mazda and Subaru, said in a joint statement they were withdrawing from an ongoing legal challenge to California's emission-setting powers, "in a gesture of good faith and to find a constructive path forward" with President Joe Biden. The automakers, along with the National Automobile Dealers Association, said they were aligned "with the Biden administrationÂ’s goals to achieve year-over-year improvements in fuel economy standards." Nissan in December withdrew from the challenge after GM's decision in November shocked the industry and won praise from Biden. On Monday, the Justice Department asked the U.S. Appeals Court for the District of Columbia to put the California emissions litigation on hold to "ensure due respect for the prerogative of the executive branch to reconsider the policy decisions of a prior administration." Biden has directed agencies to quickly reconsider TrumpÂ’s 2019 decision to revoke CaliforniaÂ’s authority to set its own auto tailpipe emissions standards and require rising numbers of zero-emission vehicles, as well as Trump's national fuel economy rollback. Asked to respond to the automakers' action, White House climate adviser Gina McCarthy said in a statement that "after four years of putting us in reverse, it is time to restart and build a sustainable future, grow domestic manufacturing, and deliver clean cars for America." California Governor Gavin Newsom praised the automakers on Twitter for "dropping your climate-denying, air-polluting, Trump-era lawsuit against CA" and urged them to join the voluntary framework. TALKS WITH BIDEN Separately, an industry trade group on Tuesday proposed to start talks with Biden on revised fuel economy standards that would be higher than Trump-era standards but lower than ones set during the prior Democratic administration. The Trump administration in March finalized a rollback of U.S. Corporate Average Fuel Economy standards to require 1.5% annual increases in efficiency through 2026, well below the 5% yearly boosts under the Obama administration rules it discarded.