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
7 startups that want to improve your mental health From a text therapy platform to apps that push you reminders to breathe, these self-care startups offer help on a daily basis or in times of need. More
5 radical technologies that will change how you get to work From Uber's flying cars to the Hyperloop, these are some of the neatest transportation concepts in the works today. More
Royal wedding: How much will it cost? Meghan Markle's wedding to Prince Harry could cost millions once security is included in the bill. See how the costs break down. More

Special Offer