详情

原文传递 Wedge Analysis of the U.S. Transportation Sector.

题名：	Wedge Analysis of the U.S. Transportation Sector.
作者：	Mui-S.; Alson-J.; Ellies-B.; Ganss-D.
关键词：	Air-polltion-control; Transportation-sector; Greenhouse-gases; Emissions-reduction; *Fuel-consumption.;Travel-demand; Transportation-fuels; Motor-vehicles; Carbon-dioxide; Stabilization-; Technology-assessment.
摘要：	The concept of stabilization wedges is introduced and applied to the U.S. transportation sector in order to assess the potential of approaches that could reduce both greenhouse gas emissions (GHGs) and petroleum consumption. Three general approaches are assessed using a wedge analysis, including (1) improvements in vehicle technology, (2) switching to lower-GHG fuels, and (3) utilization of travel demand management (TDM). A broad range of assumptions are considered for each of these approaches, reflecting the wide range of estimates regarding alternative transportation fuels, improvements in vehicle technology, and potential reductions in TDM. A wedge analysis is used to help frame the issues involved and to compare the numerous transportation approaches using a common metric namely a wedge count. It is shown that approximately nine U.S. transportation sector wedges, each representing 5,000 MMT CO2e of cumulative reductions between now and 2050, would be enough to flatten emissions in the sector.
报告类型：	科技报告