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Chevy Volt 'acceptable,' Nissan Leaf 'poor' in new IIHS safety tests

Ford C-Max Hybrid also scored "acceptable" rating. With US Nissan Leaf sales up almost 30 percent during the first half of the year, the only thing that might be able to stop the battery-electric vehicle is a good, stiff barrier. Unfortunately, thing's aren't always pretty when that happens in the real world, according to new tests from the Insurance Institute for Highway Safety (IIHS). Things with the Chevrolet Volt extended-range plug-in are a little bit rosier, though. The two plug-in vehicles were part of a batch of a dozen vehicles that just went through the IIHS's "small overlap" test, in which the driver's side front corner of the vehicle is crashed into a rigid barrier at 40 miles per hour. Out of the dozen, only the Mini Cooper Countryman was given a "good" rating. Five vehicles, including the Volt and the Ford C-Max Hybrid, were rated "acceptable," two were "marginal" and two, including the Leaf, were "poor." Plug-in vehicles are unique in the crash-test context because of their relatively large battery sizes. In the Volt's case, the driver had a "low risk" of injury, said the IIHS. But the Leaf's crash substantially pushed back the instrument panel and steering column, creating a scenario where the driver was "likely" to sustain leg injuries. The batteries in both the Leaf and the Volt passed safety tests specifically targeted at things like thermo and electrical properties and overall integrity. "Nissan is proud of the Leaf's 'Good' rating in all other IIHS tests, a 4-star NCAP rating from NHTSA and its IIHS Top Safety Pick rating in all previous years since the car's release," the company said in an e-mail sent to AutoblogGreen. "As for the performance of the 2014 Leaf in the 'small overlap frontal test,' Nissan will continue to review these and other results from the IIHS 'small overlap frontal test' as we seek opportunities for improvement." Check out the IIHS's press release and small car crash-test video footage below. Range of ratings: Small car ratings run the gamut in challenging small overlap front test The Mini Cooper Countryman is the only small car to earn a good rating among the latest group of 12 cars subjected to the Institute's small overlap front crash test. Two electric models and a hybrid also are in the mix, with varied results. The electric-powered Chevrolet Volt (with a gasoline engine "range extender") earns an acceptable rating, while its battery-electric rival, the Nissan Leaf, earns a poor rating.

NHTSA opens investigation into Nissan's handling of airbag recall

In March of 2014, Nissan recalled eight models among its Nissan and Infiniti brands, totaling more than one million vehicles, over faulty occupant classification system software controlling the passenger airbag. The company discovered a variety of factors that would interfere with the system's ability to detect an adult passenger in the shotgun seat, resulting in an illuminated warning on on the dashboard and the passenger airbag not deploying in an accident. Yet 124 complaints submitted to the National Highway Traffic Safety Administration since the recall allege that the dealer-installed fix hasn't actually fixed the problem; some consumers say the problem persists after multiple trips to the dealer. The Detroit News reports that NHTSA is opening an investigation into the matter to determine whether a new recall is needed. The occupant sensor has been a bugbear for Nissan over the past couple of years; a much smaller recall for the issue in 2013 covered five of the eight vehicles that were recalled in 2014, and that earlier recall also continued to generate complaints after the issue had supposedly been fixed. At the same time, the company learned that in two instances there was another twist, where the dashboard warning wasn't illuminated but the passenger airbag still didn't go off in an accident. Nissan isn't alone, though, with airbag recalls on a steep upswing across the industry even before the Takata debacle.

Mitsubishi cheated on Japanese fuel economy test since 1991

Mitsubishi now says that its cheating on Japanese fuel economy tests stretches as far back as 1991. The automaker has hired an independent panel of investigators to get to the bottom of what happened, and the company will give them three months to prepare a report about the deception. Mitsubishi's cheat involves how the company calculated driving resistance to determine fuel economy. In 1991, Japan's Road Transport Vehicle Act established a coasting test to establish the driving resistance, but Mitsubishi's engineers used their own "high-speed coasting test," according to its statement. In 2007, the company decided to only use the country's mandated evaluation, but the employees kept utilizing the high-speed test in the field. In the most recent scandal, workers selected low values for driving resistance from the results, which made the fuel economy look better. Mitsubishi's presented these details in a report to the Ministry of Land, Infrastructure, Transport, and Tourism. "We are currently investigating the reasoning behind each of the decisions," the company said in a statement. It also hired three former prosecutors to figure out why this happened for so long. At this time, Mitsubishi only confirms the incorrect figures for some of the company's minicars, but this investigation could discover more transgressions. This fiasco started when Nissan discovered fuel economy discrepancies in some of its Mitsubishi-made tiny kei-class cars in Japan. Mitsubishi came clean and admitted the problem affected about 625,000 vehicles in the country. Japanese media have alleged more vehicles have incorrect mileage, including the Outlander. The National Highway Traffic Safety Administration in the US has also requested data from the Japanese automaker to confirm similar deceptions didn't happen for vehicles here. Related Video: Regarding the Report to MLIT Concerning Improper Conduct in Fuel Consumption Testing of Vehicles Manufactured by Mitsubishi Motors Corporation Tokyo, April 26, 2016 The following is a summary of the report submitted by Mitsubishi Motors Corporation (MMC) to the Ministry of Land, Infrastructure, Transport and Tourism (MLIT) today, pursuant to instructions received from MLIT on April 20 to investigate improper conduct in fuel consumption testing of vehicles manufactured by MMC. Report Summary 1.