California Low Carbon Fuel Standard Carbon Intensity applied to New York State Dairy Manure Anaerobic Digestion to Renewable Natural Gas
2023
Ray, Lauren | Wright, Peter
Author communication: Lauren Ray ([email protected])
Show more [+] Less [-]The information provided in this analysis report of California’s Low Carbon Fuel Standard (CA LCFS) Carbon Intensity (CI) score applied to biomethane or renewable natural gas (RNG) produced from dairy manure anaerobic digestion (AD) located on a New York (NY) State dairy farm can be used to understand the different CI score components and relative importance of them, as well as the opportunities to improve the score, total greenhouse gas (GHG) reduction, and revenue from CA LCFS credits and from RINs under the U.S. EPA Renewable Fuel Standard (RFS). An example NY dairy AD-to-RNG project CI score is computed using the CA LCFS Tier 1 CI Calculator and six different project scenarios are compared, including options to use part of the AD biogas for digester heating and to cover the digested effluent long-term storage. While the CI score under the CA LCFS program uses a 100-year global warming potential (GWP) for GHGs, a comparison of the total GHG reduction of the example project using the NY-adopted 20-year GWP is given in the summary.
Show more [+] Less [-]This material is based upon work that is supported by the New York State Energy Research & Development Authority (NYSERDA) under agreement #141020. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the authors and do not necessarily reflect the view of NYSERDA.
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