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 ...

According to data compiled by Statistics SA, the worst petrol price increase ever was in January 1985, when it increased by ...

With premium gasoline prices in parts of Michigan pushing toward $6 a gallon, drivers are facing a familiar question: Do I ...

When you're filling up at the gas pump, it's easy to assume that "premium" is the best. So, opting for a 93 octane fuel rather than a lowly 87 must help your car, right? Not necessarily so, said ...

I recently replaced my wife's 2012 Mercedes-Benz E350 4Matic wagon with a 2016 Volvo V60 Drive-E, a station wagon that impressed me when this magazine had a similar Four Seasons test car in its fleet ...

Where ULP93 or lower is compatible, choosing it at the next fill‑up could help reduce monthly fuel spend without compromising ...

Ongoing conflict in the Middle East and its impact on global oil prices are set to drive another round of fuel price hikes in South Africa in May.

Add Yahoo as a preferred source to see more of our stories on Google. DENVER (KDVR) — Gas pumps in some Western states look a little different than the rest of the country. Most states have the option ...

Chief Executive Officer of Future Energy Source Company (FESCO), Jeremy Barnes, says the company is awaiting regulatory approval to begin marketing in 93 octane fuel locally.