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

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 ...

Top Fuel dragsters are without argument the fastest accelerating manned vehicles on Earth, boasting engines that are absolute ...

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 ...