If you’ve got an old car that no longer runs, costs more to repair than it's worth or has been sitting untouched for years, ...

An extended car warranty can pay for a variety of repairs after your manufacturer's warranty expires. Also known as vehicle service contracts, these plans range from limited named-component warranties ...

A pro explains how to change your oil at home in under an hour.

Diesel engines in trucks and some passenger vehicles can derate power and go into limp mode, and this can be caused by a ...

GM says some oil use is normal. Here are its official limits for cars and trucks, plus the key checks dealers use to confirm ...

Researchers at Scripps have created T7-ORACLE, a powerful new tool that speeds up evolution, allowing scientists to design and improve proteins thousands of times faster than nature. Using engineered ...