June generation of renewable identification numbers (RIN) under the US Renewable Fuel Standard (RFS) took total 2024 RIN output to 12.07 billion RINs. The overall mandate calls for 21.54 billion RINs to be generated. Production through June is 56% complete with six months to go. June RIN production was 2.03 billion, 2% below May and 1% under June 2023.

The RFS mandate is comprised of four explicit mandates and one implied mandate.

There is the total fuel mandate of 21.54 billion RINs, a cellulosic biofuel mandate (D3) of 1.09 billion RINs, a biomass-based diesel (BBD) mandate (D4) of 4.86 billion RINs (out of 3.04 billion gallons; the RFS assumes 1.6 RINs per BBD gallon), and the advanced biofuels mandate (D5) of 6.54 billion RINs.

…