In the 1950s, motor oil started to come in grades. Some grades were formulated to work better in cold weather, while others helped keep hot engines lubricated more effectively. Today, with our ...

The numbers and letters on a bottle of motor oil can look like gibberish if you aren't sure how to decode them. 5W-30, 10W-40, 0W-20... What's this supposed to be telling you? Does the "W" stand for ...

Do you know where your car's dipstick is? If the answer is yes, do you recall when you last looked at it? In bygone days, people took time to regularly check the level of motor oil in their car and ...