For more than half a century, oil analysis laboratories have been the backbone of industrial reliability programs. From ...

Oil might cost more than you realize, especially if you’re not getting maximum use of it. Do a typical change yourself, and it still costs about $250 or more for the oil alone. But assume you extend ...

When you take your vehicle in for an oil change — or change you oil yourself if you're so inclined — you probably don't give much thought to what's in the fluid being drained. It might not occur to ...