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 ...

Back in the early days, diesel engines were for trucks, tractors, and stationary applications. They were deemed too heavy, too complicated, and too unrefined to be fitted onto a road car. Well-known ...

WILLIAMS, AZ (AZFamily)—Steam engine 4960 is special not only because it’s one of about 200 steam engines in operation in the U.S. but also because it’s the only steam engine that completely runs on ...

Add Yahoo as a preferred source to see more of our stories on Google. The U.S. is importing an unprecedented volume of used cooking oil to make renewable diesel — a sustainable fuel made from food ...