While there are other nuances to motor oil classifications that need to be understood before changing or topping off the oil in your car's engine, one of the first things to address is the viscosity, ...

Engine oil is essential for cars with internal combustion engines. It lubricates the engine's internal parts, like the camshaft(s), crankshaft, and pistons, as well as helps with heat dissipation. But ...

Engine oils are the lifeblood of a vehicle's engine, ensuring its smooth operation, longevity and protection against wear and tear. When extreme cold temperatures arrive, the choice of engine oil ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

Some myths surrounding motor oil just won't go away, but there is truth to the notion that oils with higher viscosity ratings are better suited for warmer climates than lower viscosity oils. Since ...

You walk into your local Dollar Tree and spot something unusual on the shelves -- a bottle of 5W-30 motor oil priced at $5.00. Your first instinct is probably, "If the deal is too good, think twice." ...

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...