Why have your used engine oil hauled away when you can use it to heat your shop? Used engine oil is a terrific fuel, closely resembling No. 2 diesel fuel and furnace oil – except that it actually ...

A technique using microwave heating looks promising for salvaging used motor oil as a source for fresh gasoline and diesel. Steve Mirsky reports To keep your car purring, you have to change the oil.

Changing your car's oil is a great feeling, right? You save money, you feel self-reliant, and you get to look at the black goop you just drained and think, "Yep, that did some serious work in there." ...

Performing an oil change can be extremely enjoyable — watching that used sludge drain out and replacing it with clean amber liquid can even help you feel more connected to the engine. However, many ...

Used motor oil is a hazardous waste. When disposed of improperly or illegally dumped, oil does not readily break down and has the potential to cause serious environmental impact. The U.S. EPA ...