American Petroleum Institute

Win the warranty game

John Baxter | November 02, 2010

There’s no shortage of reasons for invalidating a warranty. Trump them all with proper PM and get your claim honored.

Through thick and thin

Max Kvidera | November 02, 2010

Specialists weigh in on cold starts, wear protection and other oil viscosity matters.

Oil mixology

John Baxter | July 01, 2010

Grasp these points about engine oil additives and leave chemistry to the engineers.

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