driving 4 answers on MSN

I created a new type of rotary engine and it achieved two combustion events before destroying itself

I have not given up on making a weird novel-type engine run, and I come one little step closer to my goal. What I have given ...
New Atlas

H2Starfire engine: A new and insanely efficient type of rotary

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...