Journal
ENERGY POLICY
Volume 148, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.enpol.2020.111909
Keywords
Biofuel; Land-use change; Global agriculture; Fuel efficiency; Greenhouse gas emissions
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Increased biofuel production and policy changes in key regions like Brazil, the European Union, and the United States have significantly impacted land use, commodity prices, and global trade. Future projections suggest that improvements in fuel efficiency and vehicle electrification will lead to lower demand for gasoline, diesel, and biofuels. A 30% reduction in ethanol consumption in the US and EU due to increased fuel efficiency is expected to result in lower global commodity prices, changes in trade patterns, and reduced greenhouse gas emissions. Long-term policy implications may arise from changes in fuel efficiency requirements or ethanol blending limits, affecting commodity prices, trade, and emissions.
Increasing biofuel production over the last decade and biofuel policies in Brazil, the European Union, and the United States have changed the global agricultural landscape in terms of land-use, commodity prices, and trade. Increasing fuel efficiency and electrification of the vehicle stock is projected to lower gasoline, diesel, and biofuel demand in the future. In this analysis, we quantify the effects of a 30% reduction in ethanol consumption in the U.S. and the European Union triggered by higher vehicle fleet fuel efficiency on global agricultural markets. Our results show decreases in global commodity prices by 1.9%-6.6% and a slight decrease in global cropland by 0.3%. Major changes occur in trade patterns with U.S. corn exports increasing by 30.3%. Global greenhouse gas emissions are lower due to the overall reduction in cropland. Gasoline and diesel consumption of the vehicle fleet is not changing rapidly but is a long-term process because vehicles are on average in operation for 10 or more years. Consequently, there are important long-term policy implications from changes in fuel efficiency requirements or ethanol blending limits that affect commodity prices, trade, and greenhouse gas emissions.
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