https://peertube.dngr.us/videos/watch/cef838d0-2225-4a85-8f5c-89aaf9529b34 This video describes the Stirling engine, an external combustion engine which creates heat energy to power the motor, and can use many types of fuel. It can be used for both stationary and propulsion purposes and has advantages of better fuel economy and cleaner exhaust than internal combustion engines. The engine is shown being road tested at Langley Air Force Base. Released Jan. 1992. Mirrored from YouTube: https://youtu.be/KbnGlcQiL1c Original channel: NASA STI Program Wed, 15 Jul 2026 12:49:20 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.dngr.us https://peertube.dngr.us/lazy-static/avatars/ec5edb1e-3795-4978-be4f-c67e98fbc992.png https://peertube.dngr.us/videos/watch/cef838d0-2225-4a85-8f5c-89aaf9529b34 All rights reserved, unless otherwise specified in the terms specified at https://peertube.dngr.us/about and potential licenses granted by each content's rightholder.