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GM recalls 3.6 million vehicles for airbag-software problems

The Basics: General Motors is recalling 3.64 million vehicles across its lineup for an airbag-related issue. The recall covers the 2014-2015 Buick LaCrosse, Chevrolet SS, and Spark EV; 2014-2017 Chevrolet Corvette, Trax, Caprice PPV, Silverado 1500, Buick Encore, and GMC Sierra 1500; and 2015-2017 Chevrolet Tahoe, Suburban, Silverado HD, GMC Yukon, Yukon XL, Sierra HD, Cadillac Escalade, and Escalade ESV. The Problem: Affected vehicles have a sensing and diagnostic module that controls the airbags and seat-belt pretensioners. The software it uses has a defect that can prompt the module to run a diagnostic test under specific driving conditions, which will also deactivate the front airbags and pretensioners. This means that it would be possible for those safety systems to not activate in a crash, potentially leading to injury or death. Injuries/Deaths: General Motors began an investigation that led to the recall after a 2014 Silverado was involved in a crash in which the airbags did not deploy. No information was given as to injuries or deaths. The Fix: Owners can bring their vehicles to a local General Motors dealer where a software update will be installed to fix the issue. The fix will be free of charge. If you own one: General Motors will contact owners of affected cars, and owners can check whether their vehicles are affected by visiting entering their vehicle identification numbers at either the GM Owner Center website or the NHTSA website. Owners can then schedule a time to have the update installed. Related Video:

Recharge Wrap-up: EV torque secrets, UC Davis maps future of biofuels

A UC Davis white paper maps out "Three Routes Forward for Biofuels," balancing investment risk with carbon benefits. The first option is "incremental," in which we tinker with the existing biofuel manufacturing infrastructure for small improvements over time. The "transitional" plan suggests integrating cellulosic production and other innovations with existing operations. The third route, called "leapfrogging," would mean building refineries based on new technology such as cellulosic and algae-based biofuels. The paper suggests ways the US could use these three routes together in different areas, and predicts the payoffs in terms of carbon emissions could be significant if the right people are willing to risk the capital. After all, financial advisers are always telling investors to diversify their portfolios to manage risk and rewards in the same way. Read more over at the UC Davis Institute of Transportation Studies. The Formula E Long Beach ePrix will offer free admission. The seventh round of the inaugural all-electric race season, which was moved from Los Angeles to the streets of Long Beach, will offer fans free grandstand and general admission. The race, which takes place on April 5, 2015, will use a 1.6-mile portion of IndyCar's Grand Prix of Long Beach. Read more at LA Times. Polaris is now offering its 2015 GEM electric vehicles, including the new street-legal eM1400 LSV. The passenger and utility vehicles come in two- to six-passenger configurations, many of which are street legal on roads with posted speed limits of up to 35 miles per hour. The eM1400 LSV utility vehicle seats two, offers 1,250 pounds of payload, 1,250 pounds of towing capacity, a top speed of 25 mph and a range of up to 45 miles. Its on-board charger plugs into any standard 110-volt outlet. Read more at Hybrid Cars and check out all the different configurations yourself at the Polaris website. In EVs, more torque does not always equal faster. Green Car Reports found this out when driving the Fiat 500e (with 147 pound-feet) against the similarly weighted Chevrolet Spark EV (with 400 pound-feet). The secret is, at least in part, in the gearing. The Fiat has a 9.6:1 reduction gear, making it quicker at lower speeds despite having far less available torque, while the Chevy uses a 3:1 ratio. The trade-off though, is in top speed. Furthermore, Chevy electronically limits the torque delivery at low speeds, as 400 pound-feet is a lot of launch for the little Spark EV to handle.

Farley reacts as UAW expands strike against Ford, GM

Members of the United Auto Worker union walk out of the Chicago Ford Assembly Plant as Lance Williams from Lansing, Ill., waves the UAW flag Friday. (AP)   As the United Auto Workers walk off the job at an additional Ford and General Motors plant, Ford CEO Jim Farley addressed investors and members of the media Friday, pleading the case for the company's latest overture to the union and addressing both public and investor concerns regarding the core issues facing American manufacturing.  Farley made a public case for Ford's efforts to resolve the dispute, expressing frustration with the ongoing stalemate and noting both the concessions Ford offered before the strike began and the signing of a contract with Canada's Unifor. Farley also acknowledged UAW President Shawn Fain's success in getting the union's message out, quipping: "Shawn has been on TV more than Jake from State Farm at this point." The first-ever simultaneous strike against the Detroit Three automakers enters its third week with threats of continued expansion, but little in the way of obvious concrete progress.  "If the UAW’s goal is a record contract, they have already achieved this," Farley said. "It is grossly irresponsible to escalate these strikes and hurt thousands of families." Farley also lamented the fact that EVs have become the subject of partisan conflict, with the company's recently announced battery production facilities taking heat from both pundits and investors as Ford was forced to press pause on the venture while negotiations continue. Former President Donald Trump dropped in to Michigan this week to declare EVs the enemy of blue-collar jobs. "They've become a political football, and that's a shame," he said. Friday saw an expansion of the UAW strike to Ford's Chicago assembly plant and GM's Lansing, Delta Township, Michigan, assembly plant, covering about 7,000 workers, Fain said in an announcement, bringing the total number of workers on the picket lines to 25,000. The strike will not include any additional members at Stellantis, where talks have reportedly been more productive. The Ford and GM plants went on strike at noon Eastern today (Friday). Ford builds the Explorer and Lincoln Aviator in Chicago. GM's Delta Township plant builds Chevy Traverse and Buick Enclave. "Despite our willingness to bargain, Ford and GM have refused to make meaningful progress," Fain said in a video address Friday morning.