mnvoronin t1_j0mn6ld wrote on December 17, 2022 at 8:45 PM

Reply to comment by spoogekangaroo in World’s first net-zero transatlantic flight: Fly London to New York on used cooking oil. Rolls-Royce Trent 1000 engines will power the airline's flagship Boeing 787s as they fly from London to New York in 2023. by Zee2A

>Carbon emissions were produced at every stage of the use and creation of this fuel.

Well, growing plants is, I believe, a carbon-negative process. But that's the only stage that is negative.

torpedospurs t1_j0ner1y wrote on December 18, 2022 at 12:07 AM

This does depend on the amount of fertilizer and pesticides used, right? I've been told that US corn based ethanol, for instance, is no less carbon intensive than gasoline when both are used in cars.