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

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 ...

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

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

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 ...

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