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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.

2015 Chevrolet Silverado 1500 Custom Sport Quick Spin

Coincidentally, the week we had the 2015 Chevrolet Silverado 1500 Custom Sport a friend asked, "What would you buy if you could only have one vehicle for everything?" After a week's driving and trailer hauling, very close to first choice would be an American pickup. They're all so good now, you can't lose. And as we found in the Chevy you can go anywhere and haul anything, and you pay no penalty for capability until you try to find an open space on the street to park. Nicely equipped versions like the Custom Sport aren't cheap, but if you need a truck and you like the look of this one, it is really good. Driving Notes The cabin is big and inviting, and everything in it is big and inviting. The materials are nice enough to look and feel swanky but not so lavish that you're afraid to get them dirty. The seats are sized for adult male bears but they don't swallow you up. The sunroof is big enough to be an observatory. It's also quiet. The only time it gets mildly unruly is when you call for power and the engine has to downshift a few gears, otherwise you don't hear the exhaust unless you roll down the window. It looks like it was designed with a T-square. I quite like it, the body-colored bumpers toning things down, the 20-inch wheels doing a much better job of filling those ample arches than the standard 17-inchers. The truck is built for people who take their work and all their gadgets with them. The front console has three USB ports, two 12-volt cigarette lighter ports, and a three-prong 110-volt outlet. The giant cubby at the base of the console has an insert to hold a clipboard or a small tablet. The abyss under the center armrest has one more 12V cigarette lighter, two more USB ports, an SD card reader, and another specialized holder for something the size of a small tablet. There's a WiFi hotspot so the streaming never has to stop. The Chevrolet navigation was trouble-free as usual, and you can input destinations on a QWERTY touchscreen keyboard. Every nav system should be so solid. The Silverado has some of the best feature implementations we've encountered in any vehicle. The lane departure warning and park assist systems don't vibrate the steering wheel, they vibrate the seat. The left, right, and middle of the seat bottom will pulse as necessary, an intuitive, peripheral way to deliver a message that doesn't interrupt your primary focus. The rear-view camera is no longer offset, it's centered.

Sunday Drive: Subaru Ascends up to the hottest market segment in America

Utility vehicles – in other words, crossovers and SUVs – are so hot right now. Two of our top stories from last week revolve around the utilitarian vehicle, but besides their jacked-up, five-door bodystyles, they couldn't be more different. The 2019 Subaru Ascent is headed into an extremely crowded and competitive segment, where it'll have to go up against industry stalwarts like the Toyota Highlander and Honda Pilot, not to mention upstart contenders like the Volkswagen Atlas. The Mercedes-AMG G63, on the other hand, has very little competition – there simply aren't very many ultra-luxurious, off-road-ready SUVs in the world vying to attract the dollars of the wellest-to-do customers across these United States. Moving on from crossovers and SUVs, our readers remain attracted to classic front-engine, rear-wheel-drive sportscars. The Toyota Supra's upcoming rebirth earns two places on our list of stories worth highlighting from the week that was; one with leaked information from a Japanese magazine, and another with rumors indicating that maybe we shouldn't be quite so excited. And finally, there's the strange case of the long-lost 2009 Chevy Corvette Z06 that one lucky individual happened to find squirreled away in a storage container with just 720 original miles. A high-horsepower head scratcher if we've ever seen one. As always, stay tuned to Autoblog this week for all the latest automotive news that's fit to print. 2019 Subaru Ascent vs Honda Pilot vs Toyota Highlander: How they compare on paper 2019 Mercedes-AMG G63 set to bare its 577-horsepower heart in Geneva Toyota Supra leaks in Japanese magazine ahead of Geneva debut Toyota Supra to be little more than a rebodied BMW Z4? Forgotten 720-mile 2009 Corvette Z06 emerges from storage Chevrolet Mercedes-Benz Subaru Toyota Coupe Crossover SUV Luxury Off-Road Vehicles Performance barn find sunday drive subaru ascent mercedes-amg g63