Anyone that’s ever topped off their tank or filled up a jerry can knows gasoline comes in different grades, from regular unleaded to pricey premium. Each “flavor” has a number that corresponds to its ...

Most drivers` knowledge of the chemistry of gasoline is limited to whether it`s leaded or unleaded, and what the octane number is. And, as with many subjects, when it comes to octane, a little ...

With neck-snapping beasts like the 650-horse C7 Z06 roaming around, factory performance cars have never been faster. Cheers to the Corvette team for cranking out that pump-gas power number, because ...

What is octane, and why should I care? Octane ratings are prominently displayed in large black numbers on a yellow background on gasoline pumps at thousands of gas stations across the country. Most ...

In the June 2006 issue of Motor Trend, our "Strike Force: Target Z06" cover story highlights the track test five of America's hottest tuner vehicles against America's best factory supercar: the new ...

Some new cars claim to require premium fuel, others recommend it and most new vehicles on the road today are perfectly happy with regular fuel with nary a hiccup. Simultaneously, we're bombarded by ...

EVEN at the cheapest petrol station in your correspondent's neighborhood, filling up the family kidmobile with premium (91 octane) fuel now costs over $70. As the meter clocks up dizzying dollar ...

Q–The owner’s manual of every car I ever owned has recommended a minimum octane rating of 87. I was surprised on a recent trip to the Black Hills of South Dakota to see numerous stations selling gas ...

There are two major elements that bring the Corvette mystique to life. First is power. Power animates the drivetrain and gets your Corvette moving so you can enjoy the thrust and handling enhancements ...

Raising the octane in gasoline -- seen as a way to improve fuel economy and reduce emissions in today’s high-tech turbocharged, direct-injected engines -- looks like it will get some attention from ...

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