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This map reveals the cleanest vehicles based on location

Naysayers love to point out how dirty the electricity grid mix is when it comes to charging electric vehicles. Curmudgeons are eager to jump into any conversation about EVs to enlighten the lucky listeners about how plug-in cars contribute to pollution, sometimes even throwing in a dash of climate-change denial for good measure. (Thanks, buddy. Pray, tell me more about the plight of oppressed SUV owners.) Unless someone buys an EV just because they think they're cool (which, yeah, they often are), they probably have at least a passable understanding of their environmental pros and cons. As many EV owners are already aware, location has a lot to do with any particular plug-in car's carbon footprint. Still, there's always more to know, and knowledge is not a bad thing, especially if one uses it to do the right thing. That's why this handy-dandy map from Carnegie Mellon University is so interesting. CMU researchers have compiled information about the lifecycle greenhouse gas emissions of various EVs based on where they're charged, as compared to gasoline-powered vehicles. The researchers looked at the Nissan Leaf, Chevrolet Volt, and Prius Plug-In Hybrid versus the gasoline-dependent Toyota Prius hybrid and the stop-start-equipped Mazda3 with i-ELOOP and compared grams of CO2 emitted per mile. CMU takes into account the grid mix, ambient temperature, and driving patterns. CMU takes into account the grid mix based on county, as well as ambient temperature and driving patterns in terms of miles traveled on the highway or in the city. For instance, if you drive a Nissan Leaf in urban areas of California, Texas, or Florida, your carbon footprint is lower than it would be if you were driving a standard Toyota Prius. However, if you charge your Leaf in the Midwest or the South, for the most part, you've got a larger carbon footprint than the Prius. If you live in the rural Midwest, you'd probably even be better off driving a Mazda3. Throughout the country, the Chevrolet Volt has a larger carbon footprint than the Toyota Prius, but a smaller one than the Mazda3 in a lot of urban counties in the US. The Prius and Prius Plug-In are relatively equal across the US. Having trouble keeping it straight? That's not surprising. The comparisons between plug-in and gasoline vehicles are much more nuanced than the loudest voices usually let on.

Nissan working on something radical for Le Mans

With Porsche joining Audi and Toyota at the front of the LMP1 grid at Le Mans next year, Nissan is the next to be throwing its hat (and considerable R&D budget) into the proverbial ring. But only if it's allowed to do something radically different, according to the latest report in Car magazine.
Just what that means remains to be seen, but Nissan is reportedly in active discussions with the ACO (the body that governs the race) to see how far it can stretch the regulations. The ACO has taken an intriguingly different approach to equalizing performance, mandating the maximum amount of energy that can be used per lap instead of telling teams what kind of engines they can use. That's how Porsche is entering with a four-cylinder engine, Toyota with a V8 and Audi with a diesel six. But when it comes to the shape of the car itself, the rules are considerably more restrictive.
Unfortunately the rules would prohibit Nissan fielding the ZEOD RC (with its narrow front track) in the LMP1 class, relegating it instead to the Garage 56 slot for experimental racers (which the DeltaWing filled before). And the realities of endurance racing would effectively prohibit anyone from fielding an all-electric racer. Within those confines, though, Nissan is eager to find enough wiggle room to make something both visually and technically different from other LMPs. And if the ACO won't let it do so at Le Mans, it could turn to another race or series (like the Nürburgring 24) that would.

'Nothing is blocking' Nissan alliance talks, says Renault chairman

TOKYO — Nothing is blocking discussions between Nissan and Renault over the future of their alliance and the two companies will have "important talks" on Tuesday and Wednesday, the French automaker's chairman said in Tokyo. Speaking at an event on Tuesday, Renault SA chairman Jean-Dominique Senard touted the Franco-Japanese alliance, which has been discussing ways to revamp the relationship. The companies had initially set Tuesday as a deadline to hammer out a deal. However, the discussions have taken longer than originally expected due to Nissan's concerns about how its intellectual property rights can be protected as Renault forges new ties with China's Geely, sources have told Reuters. Renault last week unveiled a sweeping overhaul of its businesses, saying it would set up a joint venture with Geely for gasoline engines and hybrid technology and spin off its electric vehicles unit next year. It wants Nissan to invest in the new electric unit. The companies are also renegotiating their equity ties, which currently see Renault owning a controlling 43% of Nissan and the Japanese company holding only a 15% non-voting stake in Renault. "Nothing is blocking" the discussions, he told reporters after the event, declining to say when the alliance members would reach a deal and adding "you will be informed on time." "As the chairman of this alliance, I've never lived such a warm atmosphere within the alliance and this bodes well for the future."   Green Mitsubishi Nissan Renault