This car is more economical at fuel consumption,
Healthier for the environment.
If we say we want to protect the environment, why don't we promote it?
It certainly has disadvantages.
This car has efficiency (I think) 40%, diesel car 33%, and gasoline car 30%.
Or is it free piston?
I did NOT understand, how did they use helium and made this gas not escape between the piston and the cylinder?
I realized that what NASA does is not a simple thing, and that's why I wanted a discussion with you!
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