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 ...

Just how small can you make an engine? Two researchers from the University of Stuttgart and the Max Planck Institute for Intelligent Systems, Valentin Blickle and Clemens Bechinger, successfully ...

A Stirling engine is an external combustion engine that runs on the expansion and contraction of gas within a sealed system. In this video, we break down how it works, from heating and cooling cycles ...

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 ...

The proposed design is based on a Stirling engine – an engine first invented in the 19 th century that uses hot pressurized gas to push a piston. It would use a 50-pound nuclear uranium battery to ...