A School of Mines professor has tracked his gas purchases since 1989 and prefers 87 octane.

Here's some practical, hands-on advice to help you save money when buying gas. Hint: Keep your car in shape and drive ...

America’s biofuel takes advantage of a plentiful supply of corn-based ethanol, but the reason why it's so inexpensive is a policy unrelated to cars.

At its core, gasoline, whether made for regular road use or the race track, is just a mix of hydrocarbons combusted in an engine. The primary differences lie in additives, octane levels, and how the ...

Rising gas prices have drivers searching for ways to save. Here are 10 practical tips to cut your fuel costs fast — from rewards to smarter fill‑ups.

Add Yahoo as a preferred source to see more of our stories on Google. A large variety of fuel options and prices are available - Bill Ragan/Shutterstock Premium gasoline is for cars. More specifically ...

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 ...

International oil prices have recently seen upward pressure following "pre-emptive" strikes that the U.S. and Israel launched ...

Fuel companies in Singapore have been raising prices of petrol and diesel over the course of two weeks since Iran was attacked on Feb. 28, 2026. The latest nudge upwards came on Mar. 12 after Sinopec ...