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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.

Tesla Model S does battery swap in 90 seconds

Tesla can swap the batteries on a Model S in just 90 seconds The Tesla Model S was built from the start to offer battery swap as an alternative to a recharge. And now it’s become a reality. When Better Place revealed their plans – in conjunction with Renault – to offer Battery Swap technology we applauded it as a sensible way to make electric cars a more sensible mainstream option.

Nissan shakes off the rust at 24 Hours of Le Mans test

Nissan took another step toward competing in this year's 24 Hours of Le Mans on Monday. The company saw 15 cars running with Nissan power in the test, including the DeltaWing. The day also saw the return of Martin Brundle to the Circuit de la Sarthe.