Should you ever find yourself running out of fuel on a street crowded with gas stations, you'll be forced to make a spot decision about where to fill up your tank. But not all gas companies are created equal, and where you decide to pump can make a statement about your values. GOOD compiled statistics on five of the largest oil companies operating gas stations in the U.S., looking at where they get their oil, how much it costs, how much they make, and how willing they are to invest these profits in alternative energy. So the next time you pull up to the pump, you can fill up on the gas that's right for you.




