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 ...

D iscussions about the most powerful engine have become increasingly popular of late, what with automakers making wild claims ...

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 ...

A V6 engine is the perfect combination of power and fuel economy, but when it comes to reliability, some missed the mark.

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

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 ...

This piece covers the story of Mercedes-Benz's M133 and M139 four-cylinder engines, the latter of which remains the most power-dense four-cylinder engine ever produced.

Ferrari has filed a patent for an engine with pill-shaped pistons, a radical departure from traditional circular piston ...