Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

With a slogan like “The Future is Ecclectic,” we’d expect some interesting things from INNengine, a startup based in Spain. The company is showcasing a “one-stroke” engine that works as an opposed ...

The engine of modern air superiority isn’t just about raw thrust — it’s about who controls the technology behind it. For ...

PARIS — Airbus and Boeing are each helping with tests of a radical new engine design with an open fan being developed by CFM International, making it a prime candidate to power the next generation of ...

Contemplating the advantages of the pushrod-actuated overhead valve engine design in what appears to be the twilight of internal combustion might sound as anachronistic as a quick look at the value of ...

Add Yahoo as a preferred source to see more of our stories on Google. The two proposed adaptive engines that might one day power the Next Generation Air Dominance fighter have passed an important ...

The world of automotive engineering has seen countless innovations, yet some classic engines have stood the test of time, ...

OHV stands for overhead valve, and these types of powerplants can also be called pushrod engines. OHV engines have the intake and exhaust valves located above the camshaft, which is in the engine ...

Two-stroke engines have steadily fallen out of favor over the last 50 years or so. While they sport great power-to-weight ratios and are often much simpler mechanically than their four-stroke ...

MV Agusta revives a dual-crank engine design with a radical five-cylinder square concept, proving that internal combustion innovation is alive and well. The square engine layout uses dual crankshafts ...

V4 engines are few and far between(except in motorcycles). It's the reverse situation from 8-cylinder engines, where there are scores of V8s and a count-them-on-one ...