In the late 1970s, when I first started working on cars and doing engine maintenance, 10W-30 was about the only multi ... if ...

Wondering if rotary engines need oil changes? Learn how their lubrication works and why regular oil maintenance is still ...

$11.50 (U.S.) 10W-30, 5W-20 or even 0W-40. Picking the right viscosity for your engine makes all the difference in the performance and maintenance of your car. A quick lesson in motor oil states ...

Chores like raking leaves and cleaning the garage are easy to ignore weekend after weekend, but when it comes to maintaining your 4x4 a reluctance to get the job done can have catastrophic effects.

Adding 10W-30 (35%) and 5W-20 (11.9%) will allow GET to penetrate approximately 85% of the 585 million gallons per year US market. G-OIL is the world's lowest petroleum, "eco-friendly," ultimate ...