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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.

Chevy teases next-gen Volt at fan event in LA

Barely two months before its planned debut at the 2015 North American International Auto Show, Chevrolet has released yet another batch of teaser images of its second-generation Volt. Unlike the first image, though, which just showed the car's rear badge, there's a lot more to this quartet of shots. The first three images show off the nose of the next-gen model and come from a fan event in Los Angeles. What we can see is a sleeker front end, with an evolution of the silver grille inserts previously seen on the original Volt and Spark EV. Gone is the current car's split upper grille, in favor of a more conventional arrangement. The sharper, more angular headlights are also an evolution of the lamps seen on the current Volt. Chevrolet also took the opportunity to announce a new location-based charging system that uses GPS to adjust the vehicle's charge settings, including the charge level, while also announcing that the next-gen car will feature more intuitive charge indicators that will be better able to inform owners of their car's charging level. The tech will mean that the Volt 'knows' when it is parked at home, and can thus automatically optimize charging for off-peak times, and so on. Take a look at the teaser images at the top of the page, and then head below for Chevy's press release announcing the new features. Next-Gen Chevy Volt Offers More User-Friendly Charging 2014-11-20 GPS makes charging more convenient Portable charger is easier to access Intuitive visual cues show charge status DETROIT – If there's one thing Chevrolet Volt owners love about their cars, it's being able to recharge the battery easily. Evidence of that is a U.S. Department of Energy study that shows more than 80 percent of all trips by Volt owners did not use the range extender. Chevrolet has made the charging system in the next-generation Volt even easier for customers to recharge the battery – and to check the charge status. The next-generation Volt debuts in January at the North American International Auto Show. "Chevrolet used the real-world experiences of today's Volt owners to make the charging process simpler and more convenient in the next-generation Volt," said Andrew Farah, chief engineer for the Volt.

Chevrolet Malibu gets aggressive redesign for 2016

Cars like the Ford Fusion, Kia Optima and Chrysler 200 have recently raised the styling bar in the midsize sedan game is. In that regard, the rather anonymous Chevrolet Malibu has suffered in recent years. That no longer appears to be an issue with the 2016 Malibu, which is simply caked with interesting elements. The wide, aggressive grille, expressive headlights and angled LED running lamps make the Malibu look like the Impala's much angrier little brother. In back, the Impala inspiration is there, but like the fascia, it's noticeably more aggressive, with a sharper cant to the taillights and a pair of large, integrated dual exhausts (at least on the 2.0-liter, turbocharged model being featured by Chevy). Designers also worked to give the 'Bu a bit more character in the profile, adding a pair of character lines to cut back on the last-gen car's slab-sided looks. While the exterior could almost be described as sporting, the brown-and-beige color scheme in the cabin is noticeably more relaxed. A large, central MyLink system sits atop the dash, while drivers will also have access to a dedicated display in the instrument cluster. A thick-rimmed, three-spoke steering wheel is a bit on the large side, but still looks like a nice piece to work. You can read a lot more about the new 2016 Malibu in our original post from early this morning. But before you do that, have a look at our full gallery of live images from the floor of the Javits Center. All-New Malibu is Larger, More Technological and Efficient New hybrid sedan projected to offer combined rating north of 45 MPG DETROIT – Chevrolet today introduced the all-new 2016 Malibu – a completely restyled midsize sedan engineered to offer more efficiency, connectivity and advanced safety features than ever. An all-new hybrid powertrain, which leverages technology from the Chevrolet Volt, will help offer a GM-estimated combined rating north of 45 mpg. The Malibu's standard 1.5L turbo powertrain is projected to offer 37 mpg highway. The 2016 Malibu is also longer and lighter, with more interior space and improved fuel efficiency. Its wheelbase has been stretched close to four inches (101 mm), and it is nearly 300 pounds (136 kg) lighter than the current model. "Midsize customers tell us they want great fuel economy, connected technologies, wrapped in a gorgeous exterior. This is exactly what the 2016 Malibu was engineered to do," said Jesse Ortega, Malibu chief engineer.