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Journal article
The Role of Biorefinery Co-Products, Market Proximity and Feedstock Environmental Footprint in Meeting Biofuel Policy Goals for Winter Barley-to-Ethanol
Energies (Basel), v 13(9), p2236
01 May 2020
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Renewable fuel standards for biofuels have been written into policy in the U.S. to reduce the greenhouse gas (GHG) intensity of transportation energy supply. Biofuel feedstocks sourced from within a regional market have the potential to also address sustainability goals. The U.S. Mid-Atlantic region could meet the advanced fuel designation specified in the Renewable Fuel Standard (RFS2), which requires a 50% reduction in GHG emissions relative to a gasoline baseline fuel, through ethanol produced from winter barley (Hordeum vulgare L.). We estimate technology configurations and winter barley grown on available winter fallow agricultural land in six Mid-Atlantic states. Using spatially weighted stochastic GHG emission estimates for winter barley supply from 374 counties and biorefinery data from a commercial dry-grind facility design with multiple co-products, we conclude that winter barley would meet RFS2 goals even with the U.S. EPA's indirect land use change estimates. Using a conservative threshold for soil GHG emissions sourced from barley produced on winter fallow lands in the U.S. MidAtlantic, a biorefinery located near densely populated metropolitan areas in the Eastern U.S. seaboard could economically meet the requirements of an advanced biofuel with the co-production of CO2 for the soft drink industry.
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Details
- Title
- The Role of Biorefinery Co-Products, Market Proximity and Feedstock Environmental Footprint in Meeting Biofuel Policy Goals for Winter Barley-to-Ethanol
- Creators
- Sabrina Spatari - Drexel UniversityAlexander Stadel - Drexel UniversityPaul R. Adler - USDA ARS, Pasture Syst & Watershed Management Res Unit, University Pk, PA 16802 USASaurajyoti Kar - Drexel Univ, Dept Civil Architectural & Environm Engn, Philadelphia, PA 19104 USAWilliam J. Parton - Colorado State Univ, Nat Resource Ecol Lab, Ft Collins, CO 80523 USAKevin B. Hicks - USDA ARS, Sustainable Biofuels & CoProd Res Unit, Wyndmoor, PA 19038 USAAndrew J. McAloon - USDA ARS, Sustainable Biofuels & CoProd Res Unit, Wyndmoor, PA 19038 USAPatrick L. Gurian - Drexel University
- Publication Details
- Energies (Basel), v 13(9), p2236
- Publisher
- Mdpi
- Number of pages
- 15
- Grant note
- Osage Bio Energy of Richmond, Virginia
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering; Architecture, Design, and Urbanism
- Web of Science ID
- WOS:000535739300114
- Scopus ID
- 2-s2.0-85084375590
- Other Identifier
- 991019167761304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Energy & Fuels