Estimates from the U.S. Department of Energy say they can improve fuel economy by about 7.5 percent. (Many manufacturers ...

Top 10 turbo four-cylinder sports cars from premium brands like Porsche & Volvo; power, efficiency, and luxury—starting at ...

The 383 stroker engine is an iconic small block used by gearheads to pump more power out of their cars. Here's why it's so ...

The Tacoma Hybrid hits the market, combining frugal driving and versatility with a powerful turbo inline-four - here is what ...

Paired with advanced drivetrains, dual-clutch transmissions, and intelligent all-wheel-drive systems, turbocharged ...

Four-cylinder engines still don't have the same cachet as their bigger 6-and-8-cylinder siblings, but the auto industry is in love with them. Using a turbocharged 4-pot is an easy way to reach ...

Engines have had to change significantly over the years as a result of emissions laws, which has led to some incredible ...

Yanmar makes these water-cooled, single-cylinder diesel engines that you can use for virtually anything, from agricultural to ...