Q: With the cost of home heating oil spiking so high, I’m having trouble paying to heat the three-unit apartment house that I own. As I’m required to keep the temperature at or above 64 F, it’s ...

Recycling used motor oil keeps oil out of landfills and ensures that this oil is available for re-use, reconditioning, reprocessing or re-refining. From a purely environmental point of view, the best ...

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.

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 ...

Drivers think more about the gasoline or petrol they pay for at the pump than they do about the motor oil that has to be changed every few months. But energy companies and environmentalists are ...