A new heat engine with no moving parts is as efficient as a steam turbine, MIT News

Engineers at MIT and NREL have developed a heat engine with no moving parts that is as efficient as a steam turbine.

Thermophotovoltaic “Heat Engine” Design Could Change the Future of Power Grids - autoevolution

Thermophotovoltaic efficiency of 40%

Considered Impossible Until Now” – Scientists Develop Micro Heat Engine That Challenges the Carnot Limit

Cogeneration - Wikipedia

Frontiers The viability of implementing hydrogen in the Commonwealth of Massachusetts

How do heat engines work? - Explain that Stuff

New Chinese thermoacoustic Stirling engine breaks power record

The Heavy Impact of Advanced Lightweight Materials - Tech Briefs

static.wixstatic.com/media/45115e_8014b089ca0f4013