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原文传递 Transportation Energy Efficiency Trends in the 1990s. BTS Issue Brief Number 2.

题名：	Transportation Energy Efficiency Trends in the 1990s. BTS Issue Brief Number 2.
关键词：	transportation systems,energy efficiency/energy consumption, fuels, motor vehicles, passengers, aircraft, freight transportation, trends/energy consumption, fuels, motor vehicles, passengers, aircraft, freight transportation, trends
摘要：	For many, miles per gallon comes to mind when energy efficiency and transportation are mentioned in the same sentence. But energy efficiency isnt just fuel economy. Many other factors greatly influence how effectively we use our transportation fuels, such as the choice of vehicle we drive, the average number of passengers boarding aircraft, and the method we choose to move our freight. In sum, factors such as these will determine the overall energy efficiency of our transportation system. This Issue Brief looks at transportation trends of the 1990s and how those trends affected the efficiency with which we used our transportation fuels and systems. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA. / NTIS Prices: PC A01/MF A01 / Corporate Author Code: 111275000 / Classifivation: Unclassified report
报告类型：	科技报告