It's difficult to find gas above 90 octane in Alaska, but why? As it turns out, the real reasons are surprisingly mundane and ...

DENVER — Unless you have a turbocharged engine, regular 85 octane fuel may be the most expensive gas purchase you need. But for more miles per gallon, 87 octane may be the better buy than 91 octane ...

Tugboat was my family's 1987 Dodge Caravan, which faithfully served us for years until its transmission finally exploded one lovely summer afternoon. Her 3-liter V6 was electronically fuel-injected, ...

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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 ...

DENVER (KDVR) — Gas prices are fluctuating across the country, and a few states offer a “cheaper” octane option that isn’t found in most places. It has to do with the altitude. Most states have the ...

E10 fuel contains 3% less energy than other low-grade petrols. This means if you swap regular unleaded for E10, you’d need ...

What fuel does your car have to have? You can find out by looking at the inside of your gas tank door.

Sheetz is cutting the price of its 88 octane gas to $2.99 a gallon for the rest of August.Video above: 5 things you may not know about Sheetz.Sheetz said it's cutting the price to bring "relief to its ...

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 ...