"Grinding them up for football fields is not as advantageous as extracting fuel from them."
Advantageous to whom? It has to be 'advantageous' to the guy paying $3-5 Million for the machine and wanting to make a profit. If recyclers line up for them, we should know shortly after this prototype is 'operational'.
Do not take this post as a recommendation to buy or sell any security.
When all is said and done it's what's done that counts, not what's said.