rotary engine

Free energy? Bacterial spores help capture invisible power from water evaporation

By April Gocha / June 29, 2015

Scientists at Columbia University are using their research to think differently about sustainable energy generation. And that approach is allowing the team to harness an invisible power source that’s available nearly everywhere—water evaporation.

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Rotary engine materials, applications reimagined

By Jim Destefani / September 24, 2013

Ceramic materials and possible new applications are possible keys to reviving the Wankel rotary engine design.

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Blast from the past: GM’s other hybrid car

By / September 11, 2009

While clearing out some junk in my garage, I came across a October 1980 copy of Popular Mechanics that contained the above story with “spy photos” of a two-passenger electric…

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