1970 Mercedes Benz 280sl Roadster. 4-speed, Original Car, 4 Owners, Great Car! 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

2015 Chinese Grand Prix shines bright sun on the dark days of racing

Yes, we tuned into the Formula One Grand Prix in Shanghai China to see a race. But we all know we really tuned in to see if Ferrari, or any other team, could make it a competitive race with Mercedes-AMG Petronas. Based on qualifying, things didn't get off the best of starts: Lewis Hamilton made it four-out-of-four at the front, leading all three Free Practice sessions and then taking pole position in his Mercedes. Nico Rosberg is making the most of his time in the simulator, getting closer to Hamilton as the months go by. This time he lined up in second, just 0.042 in arrears. Ferrari did its best to temper expectations after Malaysia. Even though Sebastian Vettel qualified in third, almost a second behind Hamilton, the Scuderia's race pace is still considered a danger. Kimi Raikkonen's final hot lap went sour in Turn 3 and dropped the Finn to sixth place on the grid. In between the Ferraris, Williams is another team desperately working to maintain its advantage, and both of its drivers capitalized on Raikkonen's misfortune. Felipe Massa took fourth, Valtteri Bottas was in fifth. Daniel Ricciardo led the Infiniti Red Bull Racing charge in seventh, ahead of Romain Grosjean in the Lotus earning a spirits-lifting eighth. The two Saubers continue to show how good the Ferrari engine is, with Felipe Nasr taking ninth position and teammate Marcus Ericsson in tenth. Yet when the lights went out, so did the racing, for the most part. At the end of the first lap, because of some excellent moves by Raikkonen on both Williams' and a terrible start by Ricciardo that dropped him to seventeenth, the order was Hamilton, Rosberg, Vettel, Raikkonen, Massa, Bottas, Grosjean, Nasr, Ericsson, and Pastor Maldonado in the Lotus rounding out the top ten. At the end of the race, the only positions that had changed were the final two: Ricciardo had a laps-long battle with Ericsson, passing, getting repassed, then passing again to take ninth for good, with Ericsson finishing tenth. Maldonado suffered the worst in a battle with Jenson Button in the McLaren, when Button misjudged the entry into Turn 1 for a pass and clouted the back of the Lotus. Button was able to finish but Maldonado had to retire. Yes, there were some decent moments in between, like Bottas getting by Massa at the start, then Raikkonen getting past Massa in the first few corners and the Finn's move on Bottas also letting Massa through.

2014 Mercedes-Benz C63 AMG Edition 507 still lights our fire

The current Mercedes-Benz C63 AMG may be in the autumn of its years, but it's still one of our very favorite sport sedans. Ever. Yes, its paddle-shift transmission may not always follow orders, but with stupendous levels of thrust from its charismatic naturally aspirated 6.2-liter V8, ebullient rear-wheel-drive dynamics and that noise, we frankly don't care that it's getting on a bit.
As a sendoff of sorts for the current generation, Mercedes-Benz has just introduced a new Edition 507 model at the Geneva Motor Show, with 507 horsepower and 450 pound-feet of torque - an increase of 56 horses over the standard car. Mercedes credits the substitution of low-mass internals from the SLS AMG gullwing for the power bump, a tactic shared with the AMG Development Package upgrade that has been subsumed by this Edition 507. 0-60 is quoted at 4.1 seconds and top speed at 174 mph.
The Edition 507 borrows its aluminum hood from the C63 AMG Black Series Coupe, along with spidery new 19-inch wheels in either titanium gray finish or matte black with shiny rim flanges. As seen on our gallery car above, a sports striping package is also featured, as are glossy black grille, daytime running lamps, spoiler and mirror caps.