Ask Dr. Crankshaft: Atkinson cycle engines,… Share this: Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Subscribe; Log in; ...

As we now know, both the Otto and Atkinson renditions of the four-stroke engine suffer drawbacks. So, in 1957, an American engineer called Ralph Miller honed the Atkinson concept ever further.

While it’s a very old technology, the Atkinson-cycle gasoline engine has made a comeback thanks to its fuel-saving operation. It’s a perfect fit for hybrids, where the vehicle’s electric ...

Hey Rob, I read that Hyundai is using something called an Atkinson cycle engine, along with their electric assist hybrid, to get 40 MPG (5.88 litres/100 km) in their Sonata Hybrid.

It's highly possible for the Ford Motor Company to replace the engine or – at the very least – the crankshaft and its bearings. Recall number 23V-380 replaces 22V-484 from last year.