Greenhouse Gas Mitigation through Energy Crops in the United States with Implications for Asian-Pacific Countries

Agriculture-based biofuels have the potential to replace fossil fuels, thereby offsetting greenhouse gas emissions. We estimate emission abatement supply curves from energy crops switchgrass, hybrid poplar, and willow under a wide range of sectorwide greenhouse gas emission reduction incentives in U.S. agriculture. The Agricultural Sector Model employed captures market interactions of biofuel production with traditional agricultural production and with alternative emission mitigation strategies. U.S. results suggest an increasing importance of biomass-based electricity for carbon mitigation incentives above an economic threshold of $50 per ton. At incentive levels of $170 per ton and higher, emission offsets from energy crops provide the highest net emission reduction among all agricultural options. To extrapolate U.S. findings and assess the economic viability of energy crops in Asian Pacific countries, we conducted a sensitivity analysis on key parameters of the U.S. model. We find implementation of energy crops to be highly sensitive to biomass yields and agricultural land base. While U.S. crop yields can be matched in warm tropical climates, the available agricultural land base per capita is much smaller in most Asian-Pacific countries.

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CARD Working Paper 01-WP 274

 Record created 2017-04-01, last modified 2018-01-22

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