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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.

Scion reveals iM concept ahead of LA debut

After dropping a teaser image on us a few weeks ago, Scion has revealed in full the new iM Concept it's bringing to the Los Angeles Auto Show next week. As expected, the concept is clearly a rebadged version of the Euro-market Toyota Auris, only with some "European Racing Circuit Styling" upgrades to make it look more aggressive.
Along with the Scion logos, the five-door hatch is treated to a deeper air dam flanked by angular vents with stacked fog lamps, beefed-up wheel arches linked by widened side sills and filled with 19-inch, anthracite-finish alloys on low-profile rubber. Vented brake discs and four-piston calipers join an adjustable suspension as show-worthy equipment upgrades.
The sporty treatment continues around back with a similarly aggressive rear bumper and roof spoiler. Even the wing mirrors are replaced with narrower units. Little wonder it's all done up in a shade Scion calls "incrediblue" that looks rather similar to what sister-brand Lexus would put on one of its F-branded performance models - or for that matter what corporate ally Subaru would put on an STI hot hatches like the WRX.

Toyota Prius line may not reach 2013 sales target

2012 was a good year for the Toyota Prius line, the hybrid that started it all moving 236,659 units, being the best-selling model in California for the year and the Prius C (pictured) being deemed the most reliable car of 2012 by Consumer Reports. Then 2013 happened, and gas prices dropped more than expected, and people haven't been buying the little hybrids like they used to.
A report in Bloomberg says Toyota set 250,000 units as the Prius family's sales target for this year, but hits like the double-digit drop in year-on-year performance in February have helped lower 2013 sales by 8.4 percent compared to 2012, making the objective "a challenge" to reach. The declines in Prius sales come even as hybrid sales overall were up in the first couple of months this year, including sales of other Toyota and Lexus hybrids. Jim Lentz, Toyota's North American chief, said the Prius target would be adjusted if necessary.