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
Driving the world's first car Driving a replica of the 1886 Benz Patent Motorwagen, the first internal combustion automobile. More
The 7 biggest investment mistakes celebrities make From betting too heavily on real estate to overestimating future earnings, here are 7 of the most common money mistakes that celebrities make. More
Cotton candy, toothpicks, pet gel -- these products are all made from marijuana Legal cannabis, an estimated $5.4 billion industry, is drawing in entrepreneurs with a variety of innovative products -- from skin patches to pain relief gel for pets. More

Special Offer