Add Yahoo as a preferred source to see more of our stories on Google. Qnergy production associate Mike Chesak works at Qnergy in Ogden on Thursday, May 25, 2023. The company has turned an old engine ...

STIRLING VAULT100™ upright ULT features next-level temperature uniformity, energy efficiency and predictive diagnostics with improved free-piston engine and cabinet design. Replacing the company's ...

We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

Sandia National Laboratory led by Sandia researcher Peter Van Blarigan that has been testing physical components of free-piston engines which could be 50% efficient. This is about twice as good as ...

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