Higher octane fuel resists engine knock under compression — it is not a cleaner or more powerful fuel for all vehicles. Modern knock sensors in post-2000 engines automatically compensate for ...

We all want the best for our cars, but recent fuel price hikes have forced many motorists to reconsider whether paying extra ...

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 ...

Pulling up to a gas pump means making the ultimate decision between regular or premium gas. Does premium gas make a ...

When this Bismarck, North Dakota, Costco ran out of regular gas, they made a move that had shoppers losing their minds.

Choosing between regular and premium gasoline is one of the most common — and most misunderstood — decisions drivers make. The confusion is expensive, because “premium” sounds like an upgrade even ...

According to AAA, as of July 14, 2025, the average price for a gallon of premium gas, or 91 octane, in California is $4.93. Across the country, that number comes down to $3.98, and drops as low as ...

Gasoline prices in the United States have seen a slight decrease to $4.020 per gallon. However, significant price differences ...