CORN
CO2 emissions (in kg per litre)
gasoline: 
2.3
corn ethanol: 
1.8
CO2 saving: 22 %
Leading producer: US
Energy input vs energy output: 1:1.3
Yields per hectare: 3100 litres
CORN
CO2 emissions (in kg per litre)
gasoline: 2.3
corn ethanol: 1.8
CO2 saving: 22 %
Leading producer: US
Energy input vs energy output: 1:1.3
Yields per hectare: 3100 litres