| Summary: | 碩士 === 國立臺北科技大學 === 環境工程與管理研究所 === 100 === Through questionnaires, this study aims at investigating the execution strategies and subsidy measures under the promotion policy of gasoline-LPG dual-fuel vehicle by the government. According to the investigation, 36.2% of the repliers thought that the subsidy is too low to be economic incentive, and 21.3% answered that the application is too complicated. For different subsidy measures, 42.2% agreed on the subsidy of the new purchase or the change to low emission vehicle, 34.6% agreed on the reduction of fuel tax or parking fee, and 21.5% preferred on the subsidy of LPG cost.
According to the economic effectiveness analysis of this study, it is estimated that the use of gasoline-LPG dual-fuel vehicle can have an annual saving of 50,829.1 NT dollars as compared to that of the gasoline vehicle. If the saving is converted to gasoline fuel consumption, 1,585.4 liters of 95 lead-free gasolines can be saved each year.
It is found in this study that, the public’s willing to use dual-fuel vehicle is lowered because the public still has to pay most part of the cost for the change of vehicle. Moreover, when the price difference between LPG and gasoline is higher than 57%, the willing will increase; lower than 44%, the willing decreases. When the price difference is lower than 36%, the amount for the change of gasoline to duel-fuel system will slow obviously.
It is suggested that the price difference between LPG and gasoline should be kept remarkable to enhance the public to change the gasoline vehicle to duel-fuel system. The LPG price for vehicle should be modified with those of gasoline and diesel. In metro area with high population density, preferential measures for parking and other incentives will enhance people to choose duel-fuel vehicles.
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