The number preceding the "W" is the "winter weight". I'm not sure how they compute it, or what it stands for, but basically, a "5W-XX" can be pumped by your engine at a lower temperature than a ...

If you're not a do-it-yourself car owner, then tackling relatively simple maintenance like an oil change can be daunting. It gets even more confusing when trying to decide which kind of motor oil you ...

For 2010, the U.S. Department of Energy expects diesel prices to average nearly $3 a gallon. As diesel prices head back up, it may be time to look at the possibility of switching to a more ...