Home mechanics have been pouring vegetable oil into engines for years, sometimes in the fuel tank, sometimes straight into ...

Putting vegetable oil in a car engine is a terrible idea and should never be done, or at least that's what some experts say. What do real-life tests show?

WOOSTER, Ohio — Buehler Food Markets here recently converted one of four tractor trailers — which are used to pick up and deliver local produce — from diesel to waste vegetable oil (WVO), which ...

FOUNTAIN CITY, Wis. – Once Joe Libera gets his hands on an aging Volkswagen and jugs of waste vegetable oil, they're bound to be recycled. Libera sells VW diesel vehicles that he restores and converts ...

As the United States seeks to lessen its reliance on foreign oil, biodiesel is expected to play a role. According to the National Renewable Energy Laboratory, a branch of the Department of Energy, ...