Our Terms of Service and Privacy Policy have changed.

By continuing to use this site, you are agreeing to the new Privacy Policy and Terms of Service.

2 of 6
BACKNEXT
Lamborghini
Lamborghini has done some research into hybrid powertrains but most of their focus has been on weight reduction. An extreme example would the Sesto Elemento concept car, so-named because it's made almost entirely from carbon, the sixth element on the periodic table. Even the wheels and suspension are made from carbon fiber, a lightweight but very strong material that's also outrageously expensive.


NEXT: Porsche
Last updated March 15 2011: 6:51 AM ET
Find Your Next Car
More Galleries
10 of the best beaches near airports Wait out your layover in the transit lounge? Or grab some sun, sand and surf? More
World's Top Employers for New Grads For an exclusive CNNMoney list, research firm Universum Global surveyed business students at colleges around the world to see where they most want to work. More
A White House press briefing as told by CNN's sketch artist The White House started banning cameras during some briefings, so CNN sent in sketch artist Bill Hennessy. More

Special Offer