yeah Switzerland banks have a big point there..if ever theres much demand on ethanol, producers might not supply all of it due to lack of raw materials and especially cornfields..if that happens, maybe air powered car can be used as an alternative for ethanol fueled cars..its better to use this than to continue using gasoline fueled vehicles which needs several maintenance works,like my car which i changed the volkwagen radiator hose last week..its really expensive..i think this alternative cars, requires less maintenance than the conventional car..

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