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Some 2012-13 Chevy Volts may not have enough battery coolant

The 2012 and 2013 model year Chevrolet Volt extended-range plug-in vehicle may have a battery glitch caused by low coolant levels. No recall has been issued and General Motors is taking care of the issue at no cost to drivers. Some of the affected Volts may have lower-than-advisable coolant levels because of some pesky air pockets in the car's cooling circuit. When the coolant levels get too low, the charging system for the battery powering the car's onboard generator (i.e. the Rechargeable Energy Storage System, or the RESS) may be shut down, turning one's Volt into a run-of-the-mill gas-powered car, and a pricey one at that. The Car Connection says GM is advising owners of the '12 and '13 Volts to contact their local Chevy dealer for a free fix. GM representatives didn't immediately respond to a request for comment from AutoblogGreen for more details. We believe this is a separate issue than the one that brought 8,000 Volts back to the dealers for a battery coolant fix, what GM called a "voluntary customer satisfaction effort," a few years ago. General Motors sold 23,094 Chevy Volts last year after selling 23,461 Volts in 2012, so that fix-it list may get fairly lengthy. Check out a GM-Volt.com user thread related to this issue here. *UPDATE: Chevrolet spokesman Randy Fox confirmed in an e-mail to AutoblogGreen that the company issued a service bulletin to dealers that they may need to top off coolant levels on certain Volts because of the issue, and that the vehicle will "return to normal charging operation" once that's done.

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.

Chevrolet FNR is a sharp vision of the future in Shanghai

The Shanghai Motor Show is about more than just displaying the latest extended-wheelbase luxury sedans to the Chinese populace. Chevrolet is taking advantage of the event to debut its vision of the future of motoring with the FNR concept, and the capsule looks like it could be fresh from off the set of Blade Runner. The FNR imagines what a fully autonomous, electric vehicle might look like many years from now and is meant to appeal to young, Chinese consumers. The concept's design from the minds at GM's Pan Asia Technical Automotive Center does a pretty neat magic trick, too. Most times it's a mass of glass and curving lines that looks very sci-fi, but then the dragonfly doors open upwards to reveal some knife-edged angles in the styling, as well. As a cutting-edge concept, this capsule is also packed with futuristic tech. Power comes from magnetic hubless electric motors in each wheel, and it could charge wirelessly. Crystal lasers generate the headlights and taillights, and radar in the roof would allow scanning the surroundings for autonomous driving. The interior is similarly imaginative as the rest of the styling. Passengers are enveloped in blue light while sitting in mostly mesh chairs with huge bolsters. Keys have been done away with entirely in favor of iris recognition. Once on the road, the front seats even swivel around to more easily talk with rear passengers. Check it all out in the gallery above for a glimpse a Chevy's vision of what might be next. Related Video: Chevrolet-FNR and All-New Chevrolet Malibu Make Global Debut at Shanghai GM Gala Night 2015-04-19 SHANGHAI – Two Chevrolet models, the Chevrolet-FNR and all-new Malibu, made their global debut this evening at Shanghai GM Gala Night. They were joined by the Bolt EV concept and the 2015 Captiva, which made their China debut. The new models were introduced as Shanghai GM celebrates the 10th Anniversary of its Chevrolet brand in China. They will appear alongside 12 other models on the Chevrolet display at Auto Shanghai 2015, this year's leading auto show in China, which starts tomorrow. Chevrolet-FNR The Chevrolet-FNR is an autonomous electric concept vehicle that offers a glimpse at mobility of the future. It was developed in Shanghai by GM's Pan Asia Technical Automotive Center (PATAC) joint venture. Engineering, design and electrification teams drew on their past experience developing electric concept vehicles.