Technology Limits for Reducing EU Transport Sector CO2 Emissions
2012
Dray, Lynnette M. | Schäfer, Andreas | Ben-Akiva, Moshe E.
Using a new data set describing the techno-economic characteristics of current and projected future transport technologies and a synthesis of existing transport demand models, lifecycle CO₂ emissions from 27 EU countries (EU27) were estimated in the absence and presence of new policy interventions to 2050. Future CO₂ emissions are strongly dependent on geographical scope and economic growth assumptions, and to a lesser extent on uncertainties in technology characteristics, but in the absence of new policy intervention they continue to rise from present-day values in all three scenarios examined. Consequently, EU27 emissions goals, which may require a 60% decrease in transport sector greenhouse gas emissions from year-1990 values by 2050, will be difficult to meet. This is even the case under widespread adoption of the most promising technologies for all modes, due primarily to limitations in biofuel production capacity and a lack of technologies that would drastically reduce CO₂ emissions from heavy trucks and intercontinental aviation.
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