piston

Alexander Shkolnik is founder of LiquidPiston, a company attempting a nearly impossible feat: developing a liquid-fuel-powered alternative to the traditional piston engine.

From The Wall Street Journal ● Apr. 24, 2026

A startup called LiquidPiston has spent more than a decade developing a new kind of rotary engine—including the X Mini shown here—that it says can be both more efficient and compact than traditional piston engines.

From The Wall Street Journal ● Apr. 24, 2026

The temperature contrast drives a piston, which in turn produces mechanical energy.

From Science Daily ● Feb. 27, 2026

Because their rivals believe they have found a way of exploiting the rule restricting the compression ratio - a measurement of the cylinder displacement between the two extremes of the piston stroke - to 16:1.

From BBC ● Feb. 20, 2026

He used an explosion to drive the air out of a cylinder through a valve; then, when the hot gases cooled, a piston was sucked downwards, raising a weight.

From "The Invention of Science" by David Wootton

"They were equipped with a metal saw and cut through the pistons that held the frames of Renoir's works," he said.

From Barron's ● Sep. 8, 2026

At least Honda is acknowledging the emotional vacancy left from the absence of pistons, flame and fuel, and making an effort to fill it.

From The Wall Street Journal ● Jan. 28, 2026

The technology uses the bobbing floaters to compress pistons, which push hydraulic fluid into storage tanks located nearby on land.

From Los Angeles Times ● Sep. 10, 2025

If the workings of his engine were carefully concealed, you could see the pistons pumping and sparks flying when Nadal took to court.

From BBC ● Oct. 10, 2024

Below that, pistons and large cylinders engaged in a relentless dance with the ten wheels, two sets of small ones in front and three behind.

From "The Underground Railroad: A Novel" by Colson Whitehead