With a 40:1 fuel/oil mixture the little engine idles and runs as well as a two-stroke can, belching blue smoke and making a ruckus. This answers the question of whether you can build a two-stroke ...

At bottom-dead-center (BDC) the inlet valve is closed and the compression stroke (b) starts. Work is done on the air/fuel mixture as the piston moves ... this behavior for a Mitsubishi direct ...

While you may not be using the same amount of gas as you would while driving, piston strokes are ... leave your car's engine idling for a long stretch of time, how much fuel would you waste ...

strokes and cancer, and it will protect children whose IQs are damaged by exposure to lead," he said. Lead started being added to petrol in the early 1920s in order to improve engine performance.

But its latest internal combustion creation, in contrast to those racing engines, is designed to burn fuel more frugally: a gas-powered five-stroke with diesel consumption. English engineering ...

Unlike a four-stroke engine, which musters a single power stroke ... the piston moves up again for the rest of the 118-mm compression stroke, with fuel injected along the way.