Learn when premium fuel is actually required, what the different grades mean, and how to avoid paying too much.

There’s a slow-speed race going on to determine which “green” alternative marine fuel will prevail in the years ahead — and it’s far from clear at this point who the winner will be. The only certainty ...

The national average price for a gallon of regular, mid-grade and premium gasoline stabilized over the weekend. As of Monday, the national average for a gallon of regular gasoline dropped to $4.24, ...

Whether you’re planning a road trip or just stopping to fill up after work, gas prices are always on drivers’ minds. One type of fuel is standing out for being consistently cheaper: unleaded 88, also ...

Fuel comes in different grades based on octane level at gas stations. Only some performance engines require Premium fuel for the best power output, fuel efficiency, and engine function. Are you ...