COMPRESSED NATURAL GAS (CNG) SYSTEMS

Ethanol production not energy efficient and utilises land that could produce food.

Although it compares favourably with natural gas in terms of emissions Ethanol production requires very large amounts of energy, chemicals and agricultural land. Energy experts claim that ethanol produced from corn requires 70% more energy to produce than is contained in the ethanol and the acreage used to produce enough ethanol to run a vehicle for one year could produce enough food to feed seven people for a year.

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