Changing the oil in a car every 5,000 kilometers or so seems to be the industry standard (and may well be overkill). But that means a whole lot of pouring and draining motor oil into and out of the ...

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 ...

Used motor oil can and should be recycled. It poses significant health and environmental risks if discarded improperly, and it offers a more efficient, less carbon-intensive alternative to making new ...