1979 Mercedes-benz 450sl Hard-top Convertible Sl-class Roadster on 2040-cars

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These are the 'Greenest' and 'Meanest' cars in 2015

As has become tradition, the American Council for an Energy-Efficient Economy (ACEEE) has come up with a ranking of what it refers to as the "greenest" cars of 2015, and, by way of contrast, a list of the so-called "meanest" cars, so those who value eco-friendliness over all else can choose which vehicles they should or should not consider buying. As you may expect, electric cars make up the majority of the greenest cars on the list, but, perhaps surprisingly to many, the Tesla Model S didn't make the cut. It's worth noting, too, that where the electricity an owner uses to charge their electric vehicle has a big impact on its overall environmental impact. "A car that is charged using electricity generated from natural gas or renewables is going to have significantly less impact on the environment than one charged on a coal-heavy grid," says ACEEE lead vehicle analyst Shruti Vaidyanathan. The ACEEE's list for 2015 looks very different than it did in 2014. It's an interesting collection, though – and we're sure this goes without saying, really – we'd recommend doing a bit more research into each vehicle and how it might fit into your daily life before making any purchase decisions. Click here to see the ACEEE's list of the Greenest and Meanest vehicles sold in the United States in 2015. Green Bugatti Chevrolet Fiat GM GMC Mercedes-Benz Nissan RAM smart Toyota greenest greenest cars

Mercedes-Maybach SUV concept: Vision Ultimate Luxury interior teased

Mercedes-Maybach posted a teaser video of what it calls "the ultimate in luxury" last week, saying that the featured, yet-to-be-named vehicle would be presented in the Beijing Motor Show. Now there's a teaser sketch giving us a wider look of the concept's interior, as well as a name. The concept also has a name by now: the Vision Mercedes-Maybach Ultimate Luxury. We guess that might have been coming, even if the name isn't exactly concise. But, the accompanying release also informs us that the concept is a combination of a high-end sedan and an SUV, confirming that it is indeed the high-riding vehicle that's been rumored for a while. The interior sketch also shows a very wide center console with stylized grab handles, which suit the SUV dimensions and aesthetic, without being as trucklike as the Maybach G650 Landaulet's interior. As well as the lavish two-tone color scheme and the touch of wood on the door panel, the concept interior shows a wide color instrument display ahead of the driver. The gear selectors are paddle shifters next to the chunky steering wheel rim, and the controls seem to have been grouped on the wheel's spokes, leaving just a few switches on the dashboard. Autocar reports that the concept will be followed by a 2019 production version, slated to debut at the Los Angeles show at the end of this year. It would be based on the Mercedes-Benz GLS, but with a more bespoke design inside out, as hinted by the concept. Basing it on the GLS would mean Mercedes would be manufacturing it at the Tuscaloosa plant in Alabama, making it the first Maybach built in the U.S. Related Video: Image Credit: Mercedes-Maybach Beijing Motor Show Maybach Mercedes-Benz SUV Concept Cars Luxury mercedes-maybach

Mercedes C-Class Coupe due to go on sale next December

While we expect to see the coming Mercedes C-Class convertible sometime next year, perhaps at the Paris Motor Show, Auto Motor und Sport reports that the C-Class Coupe will go on sale in December 2015 (probably in Europe first) - it's possible we'll see it debuted at the same time as the cabrio. The German magazine says the two-door will have sharper lines on a body that is four inches longer, almost two inches wider and a fraction of an inch lower than the sedan, dimensional aggrandizement that will be put to good effect on the AMG version coming in 2016. We'll have to wait for information on powertrains, which should hew to the sedan's lineup in addition to whatever else M-B might bring over here, topped off by the 503-horsepower, twin-turbo V8 in the AMG variant. Speaking of which, the 'last-generation' C63 AMG Coupe is still on sale until spring of next year, if you're a fan of the classics. Or you can wait on news of the C-Class four-door coupe, if niches inside of niches are what you're really after.