Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into the crankcase, and often with a camera rolling. The appeal is obvious: a ...

It's no secret that gas is expensive, and very rarely does it decline in price for long. To counteract the damage done by fossil fuels, scientists are working hard to make it less essential for daily ...

A quart of fully synthetic motor oil is typically under $10, yet it can be all that stands between you and having to pay thousands for a new engine. To help prevent this, of course, oil companies ...