運輸部門能源消費量及節能措施之研究
Date Issued
2005
Date
2005
Author(s)
黃運貴
DOI
zh-TW
Abstract
In recent years, global warming and energy shortage have become very important issues in international agenda. Interestingly, these two issues are highly related. Because energy consumption usually produces carbon dioxide (CO2) which is the major cause of climate change. According to the statistical report of International Energy Association, transportation sector is one of major sources of CO2 emission. Furthermore, transportation sector is the second largest energy consumption in Taiwan according to the result of this study.
The objective of this study is to investigate vehicle activity and energy consumption of passenger and freight transportation sector. Passenger-kilometers of travel and tonnage-kilometers of travel were estimated for various transportation systems. Private-cars, motorcycles and commercial buses are the major passenger modes. The percentage of passenger-kilometers from those three modes to the passenger-kilometers of highway system is over 95％. The percentage of tonnage-kilometers from commercial trucks to the tonnage-kilometers of highway transportation sector is over 80% and it reaches 90%.The ratio of energy consumption of passenger and freight transportation sector to the whole transportation sector are about 70% and 30% respectively. On the other hand, the ratio of energy consumption of highway system to the whole transportation sector is over 90%. Private-cars, motorcycles, taxies and intercity buses are major energy consumption sources of passenger transportation sector in highway sector. For freight transportation sector in highway sector the energy consumption from commercial trucks is major source. Recently the energy intensity of air transportation sector is the largest in passenger transportation sector. Highway and rail system follow it sequentially. In the freight transportation sector the sequence of energy intensity is highway, maritime and rail.
Log Mean Divisia Index Method was adopted to analyze effects of activity, structure, and energy intensity of various transportation systems on energy consumption of passenger and freight transportation sector. It was concluded that activity and energy intensity have greater impacts on energy consumption than activity structure. And highway system plays a crucial role in energy consumption of passenger and freight transportation sector.
To estimate the baseline of energy consumption on transportation sector and figure out the energy consumption based on some different strategy scenarios, this study uses regression method to build prediction models on energy consumption and activity of transportation sector. Reducing highway activities, transferring activity structure, and promoting energy consumption efficiency are three major strategy fields. This study bases on former three fields to propose strategies that are classified into economical measures, administration, transportation demand management, transportation system, modes and facilities, technology application, outreach, and land use planning. The related agencies can make action plans on saving energy based on the strategies this study proposed.
Keywords：fossil fuel, energy consumption, energy intensity, index decomposition.
Subjects
化石燃料
能源消費量
能源密集度
基線
指數分解
fossil fuel
energy consumption
energy intensity
index decomposition
Type
thesis
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