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Millions of drivers are paying extra for premium gas and getting absolutely nothing back.

Chevron on Thursday said the Isomax unit at its 269,000 b/d El Segundo, Calif., refinery has resumed operations after a pipe failure led to a five-month shutdown.

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

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 ...

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

You might have noticed that some gas stations occasionally offer specials on unleaded 88 octane gas—also known as E15—which contains 15 percent ethanol. Ethanol is an alcohol that’s derived from corn.

Fuel companies in Singapore have been raising prices of petrol and diesel over the course of two weeks since Iran was ...

After a weekend where fuel companies in Singapore held pump prices steady, Shell on Monday (March 16) morning kicked off the ...