Changing your oil regularly is vital to keeping your car's engine alive and healthy. Without the proper amount of fresh oil, the internal components of your car won't be lubricated enough to operate ...

Depending on your vehicle, you'll usually need to change your oil filter every 20-30,000 miles -- it's a relatively simple process, as long as you don't mind getting a little down-and-dirty (be sure ...

Quick-lube chains say 3,000 miles, auto manufacturers recommend 5,000 to 7,500 miles and synthetic oil companies, 10,000. How often do you really need to change the oil in your car? Dear EarthTalk: ...

In an average four-cylinder engine running at 1,500 revolutions per minute, 50 explosions to convert the chemical energy from fuel into mechanical energy that moves a vehicle are happening every ...