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 ...

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 ...

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 ...

Gasoline is a mystery to most hot rodders. For the most part, we just fill up the tank and forget about the fuel. The most difficult question is whether to step up from 89 to 92 octane. As you might ...

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, ...

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 ...

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 ...

With all the different engine and combustion theories being tested at the Engine Masters Challenge, it made us wonder about the fuel these powerplants were gulping down. For the 2015 event, we had ...

It's used to measure the quality of gasoline (petrol) and defined as the percentage of iso-octane by volume in a mixture of iso-octane and n-heptane which has the ...

RON? Not your next-door neighbour. What does the RON number mean in regard to petrol? Unleaded fuels carry a RON (Research Octane Number) rating. Put simply, RON determines petrol's 'anti-knock' ...

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, ...