The California Air Resources Board (CARB) should strengthen measures to ensure the integrity of imported used cooking oil (UCO) and tallow for biomass-based diesel production under the state’s Low Carbon Fuel Standard (LCFS), according to the US Renewable Fuels Association (RFA).
In comments submitted to CARB on Monday November 25, the RFA said the state agency should require that biomass-based biodiesel producers conduct chemical analysis on batches of imported UCO and tallow and provide associated documentation to substantiate that feedstocks are properly characterized and that the resulting product truly qualifies for the carbon intensity score it receives under the LCFS.
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01.08.2025
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