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Hyundai Motor shares slide following U.S. probe of airbag failures

SEOUL — Shares in Hyundai Motor tumbled on Monday on a U.S. probe into why airbags failed to deploy in some of its Sonata sedans, with investors fretting about potential recall costs for the once popular cars. The probe, which follows crashes that reportedly killed four people and left six injured, will review the 2011 Sonata sedan as well as the 2012-2013 Forte made by affiliate Kia Motors, encompassing some 425,000 vehicles. It marks the second investigation by the U.S. National Highway Traffic Safety Administration into the South Korean duo in less than one year, exacerbating headaches for Hyundai which reported in January its worst annual earnings in seven years. Hyundai has issued a recall for more than 150,000 U.S. Sonatas after incidents of non-deployment were linked to electrical overstress in the airbag control unit, but said it did not have a final fix. "What I am concerned about is that the recall will be expanded to other markets," said Ko Tae-bong, an analyst at Hi Investment & Securities. The Sonata and Forte sedans were responsible for driving sales for Hyundai and Kia in key markets in recent years, although they are no longer as popular as they once were. Ko estimated the U.S. recall could cost as much as $575 million if airbags were replaced in 425,000 vehicles under review and the automakers were found responsible for the problem. Hyundai Motor shares tumbled 4.8 percent while Kia Motors lost 3.7 percent. Parts supplier Hyundai Mobis fell 5.4 percent while the broader market was down 0.7 percent. Hyundai declined to comment on whether the recall would be expanded. Kia said it has not confirmed problems with the airbags but added it would "act promptly to conduct a safety recall, if it determines that a recall would be appropriate." The automakers told the South Korean regulator that the Sonata and Forte models sold in the domestic market were not affected, an official at South Korea's transport ministry told Reuters. The U.S. regulator said the airbag control units were built by ZF Friedrichshafen-TRW, a German auto supplier that acquired TRW Automotive in 2015, adding that it would determine if any other manufacturers used similar airbag control units and if they posed a safety risk. The NHTSA also said that electrical overstress appeared to be the root cause in the 2016 recall by Fiat Chrysler America of 1.4 million U.S. vehicles for airbag non-deployments in significant frontal crashes.

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.

Hyundai brings US troops to the Super Bowl, virtually

Hyundai waited until after the game ended to show off its most impressive Super Bowl commercial. Through the magic of technology, Hyundai brought troops from a US Military Base in Zagan, Poland, right into Houston to watch the game, along with their families. Hyundai reportedly bought the first three 30-second commercial spots after the game ended – and in this case, considering that this was the first Super Bowl in history to go into overtime, the Korean automaker certainly got its money worth. In addition to Corporal Trista Strauch, Specialist Erik Guerrero and Sergeant Richard Morrill, and their families, the commercial featured ex-NFLers Joe Montana and Mike Singletary. We don't know exactly how Hyundai was able to pull it off in real time, but the end result was pretty impressive. To see how it all went down, check out the commercial above. Related Video: