High-octane fuels are critical for the proper operation of some performance engines due to how they're engineered to deliver ...

The past few years have seen General Motors (GM) introduce a fresh range of gas-fueled powertrains that deliver plenty of power and reasonable fuel economy. The 2.7-liter turbocharged L3B inline-four ...

Octane fights knock; it doesn’t add power to cars designed for regular. Follow the fuel-door label and pick regular pumps—the detergent is the real upgrade Premium Gas Isn’t Better. It’s Octane vs.

Some vehicles with premium fuel recommendations can run on regular octane gasoline. A hard-to-press brake pedal on startup could indicate a loss of vacuum in the power booster system. Compact, ...

Turbocharger use is more prolific than ever, and understanding how one works explains why it’s such a popular choice. To understand the benefit of a turbo, we need a refresher on the basics of the ...