Costco’s premium gas, available at locations nationwide, has sparked a debate among drivers about its exact octane rating. Is it 91 or 93? And does this difference have any significant impact on their ...

We may receive a commission on purchases made from links. Most gas stations have three options that you can put in your vehicle: regular, mid-grade (plus), and premium. These labels are also often ...

Our gas is listed in a range of octane offerings, but American automakers are looking to simply that. By doing so, they say, they'll clean up the air, boost fuel economy, and save us money at the pump ...

It''s used to measure the quality ofgasoline (petrol) and defined as the percentage of iso-octane by volume in amixture of iso-octane and n-heptane which has the same anti-knocking propertiesas the ...

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 ...

General Motors, Ford and Fiat-Chrysler Automobiles descended on Capitol Hill to lobby for standardized 95 octane to replace today’s 87 octane. GM’s vice president of global propulsion systems, Dan ...

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 ...

Filthy myths run rampant when it comes to understanding race gas. Some say that the higher the octane the slower the burn rate. Others claim that too much octane reduces horsepower. Unfortunately, ...

Starting 1 April, petrol sold across Indian states and Union Territories must contain up to 20% ethanol and maintain a minimum Research Octane Number (RON) of 95. While the administration retains the ...

MILWAUKEE (June 27, 2011) Ideal for use in areas where premium fuel is not available, Screamin' Eagle® Super Octane Boost (P/N 94867-10, $4.95) from Harley-Davidson® Genuine Motor Accessories provides ...