Skipping even one or two oil changes can trigger a chain reaction of internal damage that builds silently over thousands of miles. Motor oil does far more than lubricate — it transfers heat, suspends ...

Toyota Motor Sales U.S.A. Inc. has reached a tentative agreement to settle a nationwide class action by Toyota and Lexus owners who complained their car engines were damaged by oil sludge. A federal ...

Today's engines are more advanced than ever before, offering large horsepower numbers from small displacement engines. Seemingly, manufacturers have combined the best of both worlds: small economic ...