This engine won't be fueling interstellar missions, but still finds an unexpected way to use deep space energy to generate ...

A tiny, particle-sized engine that runs at temperatures approaching the innermost core of the Sun could open a window into ...

Deppe and Munday mounted a simple Stirling engine on a radiative cooling panel. They placed the setup on the ground, letting ...

Nov. 30 -- In order to develop more fuel-efficient, environmentally friendly power sources of the future, some researchers are turning to a technology of the past. Several companies and developers ...

For thrifty motorists, squeezing an extra few miles out of each gallon of fuel can become an obsession. But some have been striving for a semi-mythical goal of achieving 100 miles per gallon of fuel ...