Learn when premium fuel is actually required, what the different grades mean, and how to avoid paying too much.

Are you overpaying for premium gas or getting suboptimal performance out of your car because you're feeding it the wrong fuel? Gasoline is categorized by octane ratings at gas stations. Most drivers ...

Add Yahoo as a preferred source to see more of our stories on Google. Image credit: Wikimedia Dead money flows through gas pumps across America every single day, yet drivers keep paying premium prices ...

Recently, there's been a myth circulating that filling a motorcycle tank with premium gas in the hopes of better performance and range. At most gas stations, premium fuel is usually an octane-blend ...

At its core, gasoline, whether made for regular road use or the race track, is just a mix of hydrocarbons combusted in an engine. The primary differences lie in additives, octane levels, and how the ...

Kawasaki is a well-known Japanese company that produces some of the fastest motorcycles in the world. Viciously fast and storied bikes like the Ninja H2R have become the stuff of lore among riders and ...