When you think of premium gas, the chances are that you're not thinking of weed eaters, but rather exotic supercars with banks of cylinders and a roar that shakes the sidewalk. For instance, premium ...

Every time you gas up, you're faced with the decision. Do you press the "regular" or "premium" button at the pump? Are you ruining your car when you opt to save a few bucks, or are you pouring money ...