All gasoline contains octane, the level of which informs how it burns in the engine of your car. Higher-octane fuel is usually better at preventing issues that can damage your engine over time.

High Octane 101. Gasoline Q&A with the Fuel Engineers That Power Engine Masters Challenge. ... What's the highest octane race gas you sell? VP]Our C16, C23, NO2, Q16, ...

And since Costco’s gas prices are as good as the rest of its prices, it should come as no surprise that Costco also sells a lot of gas. In fact, in 2024 alone, Costco sold a whopping $30 billion ...

Top Tier gasoline must contain more deposit-fighting detergents, it also must be sold at all of a fuel marketer’s stations and across all grades of its gasoline, from 87-octane regular to top-of ...

Second, you can measure it at higher engine speeds, called the motor octane number (MON). The standard rating consists of an average of the RON and MON ratings; this is why gas pumps often display ...

Fuel quality can have a slight impact on the weight of gasoline. Gas stations in the U.S. sell three primary grades of gasoline based on the octane level: Regular (the lowest-grade octane fuel – ...

Typically, regular fuel has an octane rating of 87. Midgrade, a mix of regular fuel and premium fuel, has a rating of 89 or 90 while premium is somewhere between 91 and 94, according to the U.S ...

The dispute pits claims of an unfair corporate loophole against allegations of anti-competitive behavior intended to protect high gas prices. It has involved some of the city’s top law and ...

The best fuel for most classic cars is ethanol-free gasoline (E0), preferably with a high octane rating like 91 or higher. ... In the U.S., most stations only sell E10 (gasoline with 10% ethanol).