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Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.

Preserving automotive history costs big bucks

$1.8 million is spent each year to maintain GM's fleet of 600 production and concept cars.
When at least two of the Detroit Three were on the verge of death a few years back, one of the tough questions that was asked of Ford, General Motors and Chrysler execs - outside of why execs were still taking private planes to meetings - was why each company maintained huge archives of old production and concept vehicles. GM, for example, had an 1,100-vehicle collection when talk of a federal bailout began.

Nissan's purchase of Mitsubishi is officially official

After the company's announcement in May, the Nissan's purchase of a 34 percent stake in Mitsubishi is now official. The deal cost Nissan $2.3 billion, according to the Wall Street Journal, and brings Mitsubishi into the Nissan-Renault Alliance. The company explained that this new partnership will manifest itself in shared vehicle platforms and technology, joint purchasing, and shared manufacturing. Nissan also said that this purchase will make the company one of the three largest companies by volume in the world. Nissan also emphasized that Mitsubishi will very much be a partner in the current alliance with Renault. In addition, Carlos Ghosn, CEO of both Nissan and Renault, has been nominated to be the new chairman of the Mitsubishi board. With Ghosn at the head of the board, current Mitsubishi president and CEO, Osamu Masuko, will remain in his positions but Nissan's current chief competitive officer will join Masuko as co-chief executive officer at Mitsubishi. With these companies now working together, we'll probably start seeing more commonality between Nissan and Mitsubishi products here in the States. It would also be a great opportunity to get some of Mitsubishi's cooler products here. Perhaps Mitsubishi and Nissan will take our hint about the Delica. This article has been revised to clarify that Nissan Motors purchased the stake in Mitsubishi, not the Nissan-Renault Alliance, and to add the value of the purchase. Related Video: News Source: Nissan, Wall Street JournalImage Credit: Issei Kato / Reuters Mitsubishi Nissan Renault renault-nissan alliance