While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

Think of motor oil as the life’s blood of your car’s engine. Checking it on a regular basis is a key part of keeping your engine running well and getting the most miles out of it. The oil lubricates ...

Internal combustion engines (ICE) need lubrication to keep the moving metal parts inside from contacting each other directly. ICE-powered cars and trucks rely on engine oil to do just that. Just as ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

Even as cars become increasingly sophisticated, motor oil remains the engine’s lifeblood, and caring for this fluid is vital. Fortunately, this is a rather simple task—and your car’s onboard computer ...