"The manufacturers are eliminating the spare to lighten up the load in the car to help improve fuel efficiency," said auto safety expert Gene Peterson.

Most of today's passenger cars are of the front-wheel-drive variety ... and ice—you can accelerate better, with less or even no tire slippage. In almost any slippery situation, an AWD sedan ...

Formula 1 cars have tires that look completely different from the ones you see on public roads — they're a lot wider and have no treads. It seems peculiar, since those grooves and textures found ...