[Pessimist]

"Unfortunately, they use more oil than they save."

That's not true. It was debunked a long time ago. Granted, its not a very efficient process, but its still in the plus column, not the negative in terms of energy production.

[Toddsterpatriot]

It was debunked a long time ago.

Source?

Granted, its not a very efficient process, but its still in the plus column, not the negative in terms of energy production.

I wonder if it'd be cheaper if we just fermented the $$$ instead of throwing it at the corn farmers?