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国际学术期刊
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国际学术期刊
The competitiveness of alternative transport fuels for CO2 emissions
发布时间:2016-8-1914:27:11来源:作者:   

Silvio Nocera, , Federico Cavallaro

Highlights

•Features of electricity and hydrogen as alternative transport fuels are described.
•A methodology to quantify and evaluate Tank-to-Wheel CO2 emissions is proposed.
•The method is tested through 3 scenarios based on alternative fuels.
•The reduction of carbon emissions is related to the infrastructural costs.
•The role of transport policies for the diffusion of alternative fuels is stressed.

Keywords
CO2 Emissions; transport policy; energy policy; alternative fuels; hydrogen fuel cell; battery electric vehicle; South Tyrol

Abstract
This paper examines the potential role of hydrogen and electricity in reducing CO2 emissions from transport. First, we describe the main characteristics, costs and supporting policies of the two alternative fuels. Then we quantify and valuate economically the expected CO2 savings, examining the Italian province of South Tyrol a case study. Through the analysis of three alternative scenarios, results reveal a potential reduction of the Tank-To-Wheel emissions up to 59% in comparison to the do-nothing option, which corresponds to an economic saving of about €543M. These results constitute an instance of the effectiveness of alternative fuels for limiting the effects of climate change deriving from mobility. In terms of transport policy, the integrative approach of hydrogen and electricity, often seen in competitive terms, can indeed be fruitful, especially in a first penetration phase, provided that policy-makers have a long-term vision about future mobility. This should include not only issues related to the technological improvement, but also thoughtful and balanced measures for an efficient carbon policy.

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