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Investigators Find No Defect Trend With Tesla Motors' Model S

Federal safety investigators said Friday they have found no apparent defect trends in the Tesla Model S, an electric luxury car that has its share of fans and critics. The National Highway Traffic Safety Administration closed a four-month investigation into whether the car's batteries were at heightened risk for underbody strikes and subsequent fires. Even though no defect trend was found, Tesla Motors said in a written statement it would further protect the bottom of its cars with a reinforced underbody shield. The California-based automaker started adding the shields on March 6 and will retrofit older models free of charge. It will also increase the ground clearance of new cars. "This fix should eliminate the potential of a battery-pack fire under all but the most extreme circumstances," said Karl Brauer, a senior analyst at Kelley Blue Book. Although there are more than 194,000 car fires in the United States every year, NHTSA investigators began a preliminary investigation into potential trouble on Nov. 15, 2013 following two Model S fires, one in Tennessee and one in Washington. No one was injured or killed in either fire. Roadway debris punctured the battery pack near the front of the compartments in both cases, damaging the batteries' lithium ion cells that then began "thermal runaway" events. The opposite ends of the debris had dug into the pavement and jutted upward. Tesla called this a "piking effect." The company said it has conducted 152 vehicle level tests, and that the new shields prevented any damage or penetration of the new shields. The first is a rounded, hollow aluminum bar that's followed by a titanium plate. The third layer of protection is made of solid aluminum. (There's video of the new plates in action on the Tesla Motors website). "We have tried every worst-case debris impact we can think of, including hardened steel structures set in the ideal position for a piking event," Tesla Motors founder Elon Musk wrote on the company's blog," essentially equivalent to driving a car at highway speed, into a steel spear braced on the tarmac." Approximately 15,805 vehicles are eligible for the upgrades, which NHTSA says should reduce the frequency of underbody strikes and subsequent fire risks. But the agency did note that the closing of the investigation did not necessarily constitute a finding that a defect does not exist. "The agency reserves the right to take further action if warranted by new circumstances," it said.

City of LA's electric vehicle fleet adds Tesla Model S, BMW i3

For anyone who thought that Los Angeles' efforts to turn its traffic problems green would end after a partnership with Waze, think again. The City of Angels has committed to leasing 160 battery-powered electric vehicles and 128 plug-in hybrids for its municipal fleet. A post on the LAPD blog says that the police, fire, general services, water and power departments will split the former, while the general services will also take all of the latter. Mayor Eric Garcetti says that this move puts LA closer to its goal of becoming the "most sustainable city in America." For now it has to settle for having the largest city-owned fleet of battery-powered rides. The blog post goes on to say that as part of this Sustainable City pLAn (not a typo), it also has a shiny new Tesla Model S P85D and BMW i3 for "testing and research." Hopefully that includes seeing how effective Ludicrous Mode is against fleeing perps. #LAPD: @LAPDChiefBeck speaking at the news conference on Historic Transition to Green Energy Vehicles. pic.twitter.com/n1KdFOrX8F — LAPD HQ (@LAPDHQ) September 11, 2015 This article by Timothy J. Seppala originally ran on Engadget, the definitive guide to this connected life. News Source: LAPDImage Credit: LAPD on Twitter Government/Legal Green Bentley Tesla Electric lapd

New Civic, FCA UAW Agreement, Frankfurt | Autoblog Minute

FCA reaches a tentative agreement with the UAW, Honda reveals the all new 2016 Civic, and the Frankfurt Motor Show dazzles us again.Senior editor Greg Migliore reports in the Weekly Recap edition of Autoblog Minute Weekly. UAW/Unions Bentley Honda Jaguar Porsche Tesla Autoblog Minute Videos Original Video FCA porsche mission e civic