The California Air Resources Board sends signal to the marketplace about importance of RNG produced from food waste in its Low Carbon Fuel Standard program.

While renewable natural gas (RNG) produced from dairy and swine manure has received a lot of attention due to the ultra-negative carbon intensities (CIs) possible, the California Air Resources Board (CARB) recently sent a strong signal to the marketplace that RNG produced from food scraps is also very important. The signal came a couple of months ago when CARB certified the first, and to date, only food scraps-to-RNG pathway under the current version (CA-GREET 3.0) of CA-GREET, the California-centric version of Argonne National Laboratories’ GREET model. CA-GREET 3.0 is used to calculate CIs for the state’s Low Carbon Fuel Standard (LCFS).

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This article was published in March of 2021. Stillwater Associates publishes a weekly, monthly and quarterly edition of its Stillwater’s LCFS Newsletter, trusted by decision-makers throughout the transportation energy industry. Its senior consultants are the leading experts on California’s LCFS and Cap & Trade, as well as Oregon’s Clean Fuels Program.