Sources & Credits:

10. Hüttlin-Kugelmotor-Hybrid
   • Video  

9. V8 Paper Model Engine
   • v8 working paper engine model  
   • Paper vehicle prototype with V8 paper...  

8. Free Piston Engine
   • Free-piston Engine Range Extender Tec...  

7. OPOC Engine
http://ecomotors.com/

6. Duke Axial
   • Duke Engines  

5. Hybrid Sabre Engine
https://www.reactionengines.co.uk/

4. Bacterial Spore Engine
   • Renewable Energy from Evaporating Water  

3. Hybrid Sterling
   / channel  
Homemade -    • Solar Stirling Engine  

2. EM Space Drive
http://www.sciencealert.com/the-impos...
Other Clip Purchased From Envato

1. Freevalve Camless Engine
   / @drive  

Music:

"Escape From Area 51"
By K1Woods
Licence purchased from premiumbeat.com