Putting vegetable oil in a car engine is a terrible idea and should never be done, or at least that's what some experts say. What do real-life tests show?

Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with them. That’s the entire story. Under upcoming EPA regulations, heavy-duty ...

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 ...

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, ...

Experienced drivers know that high mileage cars demand special attention. Most oil manufacturers advertise specific lines of engine oil made for high mileage vehicles. These are cheaper than their ...

It doesn't matter if you have a hybrid or conventional gas-powered car, a good motor oil can make the difference between a long-lasting engine and a sputtery ride. Here's what you should look for when ...

Get rid of destructive heat with an external oil cooler for your engine, transmission, power steering and rearend. Have you ever considered how hot oil gets inside your engine, transmission, ...

For a dual-purpose car, engine oil needs to be at least 220 degrees F to burn off all the deposits and accumulated water vapor. For every pound of fuel burned in an engine, the combustion process also ...