Odds are you have never heard of any of these 10 ...
Odds are you have never heard of any of these 10 engines because these are indeed the top 10 strangest engines ever made.
Take, for example, the Hüttlin-Kugelmotor-Hybrid which can run on all sorts of fuels to include diesel, biofuels, gasoline, and hydrogen. Made up of a rotor, a combustion chamber and a few other parts, this is one odd looking engine.
Now, of course, a V8 paper model engine is strange, right? That is why one is here on the video below. The paper V8 engine is powered by air and can run a small toy car. Now, while the remaining eight engines on this video are crazy, perhaps the most insane of the remaining eight is the engine that is somehow powered by bacteria.
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