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 ...

Q: I drive a 2001 Lexus LS430 with 58,567 miles. The car manual says I should use gasoline with an octane of 96 or higher. I cannot find an octane that high. Any suggestions? — J.S., Fort Lauderdale, ...

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 ...

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 ...

The quest for more power has led to the development of many performance enhancers, such as high octane fuel and octane boosters There are many factors which affect the performance of an engine. High ...

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 ...

SAE International Journal of Engines, Vol. 4, No. 1 (2011), pp. 976-997 (23 pages) ABSTRACT This paper describes a quasi-dimensional multi-zone model of the CFR engine. The engine cylinder was divided ...

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, ...

Back in the day—1965—were we doing anything by adding mothballs to the gas tank in my new Plymouth 383? The legend about mothballs improving internal-combustion engine performance dates back to the ...