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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.

Opel's own ad shows Ampera-e beating Opels in drag race

The Opel Ampera-e isn't expected to set any world records on a quarter-mile drag strip. But when it comes to crossing a major boulevard, though, the European version of the Chevrolet Bolt electric vehicle will more than hold its own, potentially scaring inattentive pedestrians everywhere. According to a 35-second video posted by General Motors' Opel division, at least. Opel set up the Ampera-e against four other small-and-sporty vehicles, including racing versions of the Opel Adam and Opel Astra as well as stock versions of the Opel Insignia and Corsa (what, you expected a Corvette to be in there?). With the EV's off-the-line torque as a selling point, Opel showed the Ampera-e beating the other vehicles in a 30-meter (100-foot) drag race. Of course, the video also shows the EV getting passed by some of the others soon after, but the point was made. Opel doubled down by adding the tagline "Fun to Drive" at the end of the video. While Opel hasn't revealed the single-charge range of the Ampera-e, it should be roughly the same as the Chevrolet Bolt, which will be about 200 miles. In addition, the Ampera-e, like the Bolt in the US, will get 200 horsepower from its electric motor, and will be able to go from 0 to 60 miles per hour in less than seven seconds. The Ampera-e will debut at the 2016 Paris Motor Show later this month. General Motors said in February that Europe would get the Ampera-e by next year. Opel had previously used the Ampera name with the Euro version of the Chevrolet Volt extended-range plug-in. Related Video: News Source: Opel/YouTube via Green Car Reports Green Chevrolet GM Opel Electric opel ampera-e ampera-e

Chevrolet Bolt EV Concept foreshadows an affordable, 200-mile EV future [w/videos]

Confirming numerous reports and rumors, Chevrolet introduced the Bolt EV Concept, "a vision" of a 200-mile EV with an entry price of around $30,000. Those lofty promises ride atop a funky crossover that made its global debut at the 2015 Detroit Auto Show. The orange five door features a spacious greenhouse, complemented by a glass roof and thin D-pillar. A narrow grille and slim LED headlights crown a high fascia that leaves little ahead of its front axle. It's a similar story in back, as General Motors' design boss Ed Welburn sought to limit overhangs and maintain the Bolt's small footprint. "Form and function have never meshed so well together," Welburn said. "No compromises were made when it came to aesthetics and the elements that contribute to the Bolt EV concept's range, resulting in a unique proportion that's sleek, efficient and obviously a Chevrolet." The cabin is not unlike current Chevrolet compacts, with the MyLink touchscreen and a detached instrument cluster dominating the sparse dash. Unlike cars like the Sonic, which features a similar design for its instrument cluster, A Volt-like display is found over the steering column. "The Bolt EV concept is a game-changing electric vehicle designed for attainability, not exclusivity," CEO Mary Barra said. "Chevrolet believes electrification is a pillar of future transportation and needs to be affordable for a wider segment of customers." Take a look at both the official gallery of Bolt images, as well as our live shots. And then scroll on down for more comments from GM brass, in the official press release. Chevrolet Bolt EV Concept Signals Brand's EV Strategy Affordable, long-range concept builds on brand's electrification leadership 2015-01-12 DETROIT – Chevrolet today made a significant statement on its commitment to electrification with the introduction of the Bolt EV concept – a vision for an affordable, long-range all-electric vehicle designed to offer more than 200 miles of range starting around $30,000. "The Bolt EV concept is a game-changing electric vehicle designed for attainability, not exclusivity," said General Motors CEO Mary Barra. "Chevrolet believes electrification is a pillar of future transportation and needs to be affordable for a wider segment of customers." Leveraging the electrification prowess established by Volt and Spark EV, the Bolt EV concept is designed to offer long-range performance in all 50 states and many global markets.