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 ...

The nationwide rollout of ethanol-blended petrol took effect about a year ago.

Modern Hemi engines, the iconic powerplants from Chrysler, have sparked a debate among owners about their fuel needs. Chrysler recommends a specific octane rating for optimal performance, but does ...