andy

I already want a sticker for my engine cowling - “This aircraft runs on cow poop”.

jfphelan

Further proof that the government runs on BS.

dcmarotta

I wonder what the exhaust smells like. French fries I could tolerate, but this?

Raf

(post deleted by author)

Arthur_Foyt

Of course you CAN make high octane liquid aviation fuel from waste water, we’ve had those equations for over a hundred years. They have not “developed” it. We don’t do it because you’ll need 80 rail cars of waste for every pint of product.