The EPA recently announced plans to lower proposed fuel economy standards but automakers are still trying to eke out as much mileage as they can with current technology. As part of this initiative, ...

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 ...

Dodge’s forthcoming halo car, the Challenger SRT Demon, will have expensive taste. Outfitted with a supercharged HEMI engine, the super-powerful street-legal drag racer will run on either 91-octane ...

The national average for a gallon of gas hit a record high of $4.17 on Tuesday, but it’s much worse than that for some car owners. That relatively low price is for regular fuel, while mid-grade is at ...

Every gasoline-powered car comes with recommendations about what fuel should be used in it. But with the high gas prices in some areas, many find themselves standing at the pump wondering if it’s OK ...

We have all seen it, heard about it, or done it ourselves: Filled up our street cars with race gas in the hope of seeing a performance gain. But what does it really do? If a motor is happy with 91 ...

DENVER (KDVR) — Gas pumps in some Western states look a little different than the rest of the country. Most states have the option of choosing octane ratings of 87 (regular), 88–90 (midgrade) and ...

We have to separate the chemical "octane" from a fuel's "octane rating" since they can be two different things. Think about it this way. If you learned your shapes in kindergarten, you should easily ...

A family's decision to use 91 octane petrol in their European car to save money has backfired. Aron and Adelle Bailey remain thousands of dollars worse off after losing a case against a dealer in the ...

My wife has recently acquired a three-year old Nissan Note Techna 1.6 Auto (2010) which recommends 95 Octane unleaded petrol. Some garages only stock 91 and 97 Octane petrol. What is the downside with ...