バイオディーゼル燃料の製造方法と利用の現状
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概要
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Bio-Diesel Fuel is an alternative fuel for gas oil and has been widely introduced as one method to reduce carbon dioxide emissions. In Japan, bio-diesel produced from waste cooking oil is commonly used. One of the largest facilities is in Kyoto city which has a 5000L/day production capacity and supplies garbage collection trucks and city buses with fuel it produces. Taking this facility as example, the outline of the bio-diesel production process is introduced. In addition, production costs and the CO2 reducing effect the bio-diesel is quantitatively estimated. The cost estimation shows that the biodiesel can be produced for almost the same price as gas oil if tax is excluded. Moreover, CO2 emission is estimated to decrease by 2.0kg for every liter of bio-diesel utilized as alternative fuel.