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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.

Underground Racing Lamborghini cracks 250 mph--watch the video here

Earlier this year, we told you about Underground Racing, a shop in Charlotte, N.C., that makes a business out of upgrading Lamborghinis with twin turbochargers to boost engine output to more than 1,000 hp. Now, a Lamborghini Gallardo Superleggera upfitted by Underground Racing cracked the 250-mph mark at the Texas Mile event. Car owner Richard Holt made the 250.1-mph run in late March, but video was posted just this week.

Nissan BladeGlider (2013) shown

By Damion Smy First Official Pictures 08 November 2013 09:53 Is the Nissan Qashqai a little too practical for you? Nissan has the answer: the wacky-looking BladeGlider, inspired by its Zeod racer that began sportscar racing in 2012 as the Nissan DeltaWing. The BladeGlider is a Nissan showpiece for its future sportscars, which will see hybrid and EV tech end up in its flagship GT-R.