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These are the 'Greenest' and 'Meanest' cars in 2015

As has become tradition, the American Council for an Energy-Efficient Economy (ACEEE) has come up with a ranking of what it refers to as the "greenest" cars of 2015, and, by way of contrast, a list of the so-called "meanest" cars, so those who value eco-friendliness over all else can choose which vehicles they should or should not consider buying. As you may expect, electric cars make up the majority of the greenest cars on the list, but, perhaps surprisingly to many, the Tesla Model S didn't make the cut. It's worth noting, too, that where the electricity an owner uses to charge their electric vehicle has a big impact on its overall environmental impact. "A car that is charged using electricity generated from natural gas or renewables is going to have significantly less impact on the environment than one charged on a coal-heavy grid," says ACEEE lead vehicle analyst Shruti Vaidyanathan. The ACEEE's list for 2015 looks very different than it did in 2014. It's an interesting collection, though – and we're sure this goes without saying, really – we'd recommend doing a bit more research into each vehicle and how it might fit into your daily life before making any purchase decisions. Click here to see the ACEEE's list of the Greenest and Meanest vehicles sold in the United States in 2015. Green Bugatti Chevrolet Fiat GM GMC Mercedes-Benz Nissan RAM smart Toyota greenest greenest cars

10 automakers shack up in Detroit hotel to talk Takata airbags

Since Takata has decided not to take the lead concerning potential issues with its airbag inflators, the automakers have. Perhaps that's unsurprising, since it's the automakers, not Takata, that will take a beating on the dealership floor if consumers decide its models are a health hazards. The Detroit News reports that Toyota, Honda, General Motors, Ford, Chrysler, Mazda, BMW, Nissan, Mitsubishi and Subaru met in a hotel conference room near the Detroit Metropolitan Airport last week to sort out a way to understand the technical issues involved. So far, faulty airbag inflators have been ruled the cause of five deaths and 50 injuries around the world, but neither Takata nor investigators understands exactly why the inflators are malfunctioning. The National Highway Traffic Safety Administration recently asked Takata to issue a national recall, Takata declined, citing a minuscule failure rate and the fact that it's still investigating the issue. Toyota and Honda then made an industry-wide appeal for "a coordinated, comprehensive testing program" that would pinpoint the problem inflators and get them replaced, and that's what the Detroit meeting was about. Numerous issues, however, will make this a long row to hoe: simply getting the parts to replace the nearly 20 million inflators in cars recalled around the world so far - even working with other suppliers - will take a years, but more importantly, no one knows if the replacement inflators currently being installed will suffer the same issue. Answers will hopefully come quickly with Takata, the ten automakers and NHTSA all independently investigating the problem.

NHTSA probes Nissan Versa for potential pedal problem

The National Highway Traffic Safety Administration is commissioning an engineering analysis to investigate a possible problem with the 2013-2015 Nissan Versa and 2014-2015 Versa Note. The agency wants to gather more information about sections of the footwell that can potentially interfere with operating the pedals, and NHTSA estimates this could affect 360,000 vehicles if the agency requests a recall. The preliminary evaluation of this problem was opened last June when NHTSA received a report of a driver's foot being trapped by a trim panel on the right side of the footwell. Since then, the government agency has tallied 24 total complaints, including one crash and an injury, which might have been linked to this issue. It's also possible the HVAC relay actuator in a nearby area could be doing the same thing. Either might lead to unintended acceleration and delayed braking. NHTSA's new engineering analysis is meant to "assess the scope, frequency and safety-related consequences of the alleged defect." It also adds the 2015 Versa Sedan and Note to the list of potentially affected models but removes the examples from 2012 because of a different footwell panel design. "Nissan is cooperating fully to answer the agency's questions," the automaker said in a prepared statement emailed to Autoblog (embedded in full below). You can read the entire report in PDF format, including photos of the potential issue, here. INVESTIGATION Subject : Pedal Operation Interference Date Investigation Opened: APR 01, 2015 Date Investigation Closed: Open NHTSA Action Number: EA15003 Component(s): SERVICE BRAKES, HYDRAULIC , VEHICLE SPEED CONTROL All Products Associated with this Investigation Vehicle Make Mode lModel Year(s) NISSAN VERSA 2013-2015 NISSAN VERSA NOTE 2014-2015 Details Manufacturer: Nissan North America, Inc. SUMMARY: On June 24, 2014, the Office of Defects Investigation (ODI) opened PE14-018 to investigate allegations that the tunnel carpet cover trim panel on model year (MY) 2012 through 2014 Nissan Versa, Versa Sedan and Versa Note vehicles has, in certain situations, interfered with the driver's ability to promptly release the accelerator pedal and transition to the brake pedal. This may result in delayed brake application or brief incidents of unwanted acceleration.