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Five least-green vehicles

We are a generation seemingly obsessed with the environment, eager to cover our carbon footprints in any way possible--or at least give off a green vibe visible to our neighbors). And though many car buyers are jumping on the hybrid and electric bandwagons, the majority of us still crave brute-power cars and trucks. While being environmentally friendly is nice, there comes a time when you just have to be mean -- eco-mean, in this case.

700hp ML63 AMG off-roader by Brabus revealed

This in-your-face hunk of high-speed SUV is Brabus’ B63S–700 Widestar, the latest super-powerful conversion from the German Mercedes-Benz tuners. This time the aftermarket fettler has turned its attention to Merc’s already rather powerful ML63 AMG off-roader, adding some fairly garish visual modifications and performing some even crazier tweaks underneath the bonnet ahead of the car’s debut at the 2013 Frankfurt Motor Show next month. Please click on the image above to read more on the Brabus B63S–700 Widestar

Aston Martin Rapide prototype stretches its legs at N

Aston Martin caught our eye with the Rapide concept at the 2006 Detroit auto show. But the project slid to the back burner as then-owner Ford Motor Co. couldn't fund development of the car.