Aside from the price, have you ever driven into the petrol station and wondered what the 91, 95 and 98 (often called Premium ...

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 ...

Until electric cars and hydrogen fuel cell vehicles become the norm, most of us will drive automobiles that run on fossil fuels. We know it is not good for the environment, but it is the only option ...

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 ...

Saudi drivers can soon pump up their rides with 98-octane gasoline, Aramco announced, set to launch this month. Designed for ...

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 ...

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 ...