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U-Mich researcher’s first-principles analysis challenges conventional carbon accounting for biofuels; implications for climate policy

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System boundaries (red line) schematic for liquid fuel carbon balance. For biofuels, because biogenic carbon is automatically credited within a product lifecycle, the boundary effectively excludes vehicle end-use CO 2 emissions. DeCicco 2013. Click to enlarge.

Climate 273
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DeCicco: Transportation GHG reduction policy should focus upstream on fuel supply rather than downstream on choice of fuels in vehicles

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John DeCicco at the University of Michigan argues that to reduce transportation sector greenhouse gas emissions, the proper policy focus should be upstream in sectors that provide the fuel, rather than downstream on the choice of fuels in the automobile. In a new working paper, Prof. A parametric analysis by Barter et al.

Fuel 236
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Discussion Paper Suggests Mechanisms for Addressing Biofuel GHG Emissions Under Cap-and-Trade Schemes; Avoiding the Renewability Shortcut and Moving Toward Carbon Management for All Transportation Fuels

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Including biofuels under a cap-and-trade scheme could create a more complete carbon management framework for the transportation fuels sector, according to a new peer-reviewed discussion paper by Dr. John DeCicco. Thus, the carbon accounting system under a fossil-based cap alone is incomplete when it comes to biofuels.”.

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