The world produces ~three times as much food as we need to feed the world. Sure, we can push efficiency up further, but there is no real need for more calories and current practices create huge short and long term problems.
Not that fuel ethanol is drinkable, but you can get similar amounts of energy with other processes. Anyway, just the US ethanol production is over 2 gallons of per person on the planet. We are talking ~23,000 calories per person on the planet produced in a horribly inefficient process which is then burned.
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The world produces ~three times as much food as we need to feed the world. Sure, we can push efficiency up further, but there is no real need for more calories and current practices create huge short and long term problems.
Not that fuel ethanol is drinkable, but you can get similar amounts of energy with other processes. Anyway, just the US ethanol production is over 2 gallons of per person on the planet. We are talking ~23,000 calories per person on the planet produced in a horribly inefficient process which is then burned.
Ethanol is eminently drinkable, in fact I enjoyed some with tonic water and lime just the other night.