Factoring the car-climate challenge: Insights and implications

John M. DeCicco

Energy Policy, 2013, vol. 59, issue C, 382-392

Abstract: Three approaches commonly are identified for controlling automobile greenhouse gas (GHG) emissions: reducing travel demand, improving vehicle efficiency and using alternatively (non-petroleum) fueled vehicles (AFVs). Similarly, sector emissions are factored by travel distance, vehicle fuel intensity and fuel GHG (“carbon”) intensity. Analyzing these factors using US and China data reveals that for a broad range of conditions, stringent GHG emissions limits for the auto sector imply limits of comparable stringency for fuel carbon intensity. However, carbon intensity is a modeled representation of complex energy supply and use systems rather than a measurable property of fuels themselves. Carefully examining the locations and magnitudes of fuel-related emissions indicates that the proper policy focus is on the sectors that supply fuel rather than the choice of fuels in the auto sector. Therefore, beyond fundamental R&D, policies to commercialize AFVs are not necessarily required for climate protection at present. In addition to managing travel demand and improving vehicle efficiency, the implied policy priority is limiting net GHG impacts in the energy and other natural resource sectors that supply fuels. Future work is needed to develop GHG management protocols for liquid fuel supply systems involving fungible commodities and dynamic global supply chains.

Keywords: Transportation; Climate; Policy (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:enepol:v:59:y:2013:i:c:p:382-392

DOI: 10.1016/j.enpol.2013.03.052

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