Four-stroke engines, which make up 99% of vehicles on the road, rely on a system for managing air intake, compression, ...

The story behind a delightfully unorthodox powerplant.

Lighter and more modern to drive than its revered 123-series predecessor, the mid-’80s W124 E-Class saloon was the very first ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.

After decades of development, Nissan's VC-Turbo promised to revolutionize engines. But can it compete with Toyota's hybrids?

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

After months of tests, the Civil Aeronautics Administration last week stamped formal approval on the engines slated to power the first U.S. jet airliners. The power plants: Pratt & Whitney’s J57 and ...

Variety is the spice of life, and we have it in spades. From two-seat sports cars to 500hp super saloons – all for less than £15,000.