The demon of engine knock is something an owner of a traditional high-performance Pontiac knows all too well. An engine designed when 102-octane high test was at almost every fuel station in the ...

You don't have to be Mr. Goodwrench to know that your car won't run without a steady supply of fuel, whether it runs on gasoline or diesel fuel. Less than three months ago, Honda recalled more than ...

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 ...