More than 2.11 billion renewable identification numbers (RINs) were generated under the Renewable Fuel Standard in May, up from 1.84 billion generated during the same month of last year, according to data released by the U.S. EPA on June 15. Total RIN generation for the first five months of the year reached nearly 9.35 billion, compared to 8.5 billion generated during the same period of 2022.

Nearly 59.78 million D3 cellulosic biofuel RINs were generated in May, including 52.64 million generated for compressed renewable natural gas (RNG) by domestic producers, 3.38 million generated for liquefied RNG by domestic producers, 3.18 million generated for liquid RNG by importers, 350,915 generated for compressed RNG by importers and 228,934 generated for cellulosic ethanol by domestic producers.

Total D3 RIN generation for the first five months of 2023 reached 242.68 million. That volume includes 212.41 million generated for compressed RNG by domestic producers, 15.84 million generated for liquefied RNG by domestic producers, 13 million generated for liquefied RNG by importers, 914,751 generated for liquefied RNG by importers, and 518,852 generated for cellulosic ethanol by domestic producers.

More than 750.19 million D4 biomass-based diesel RINs were generated in May, including 372.17 million generated for nonester renewable diesel by domestic producers, 244.93 million generated for biodiesel by domestic producers, 71.74 million generated for nonester renewable diesel by foreign entities, 58.75 million generated for biodiesel by importers, and 2.6 million generated for renewable jet fuel by domestic producers.

Total D4 RIN generation for the first five months of the year was at 3.01 billion. That volume includes 1.43 billion generated for nonester renewable diesel by domestic producers, 993.4 million generated for biodiesel by domestic producers, 304.46 million generated for nonester renewable diesel by foreign entities, 271.95 million generated for biodiesel by importers, 6.91 million generated for renewable jet fuel by domestic producers, 6.88 million generated for renewable jet fuel by foreign entities, and 336,877 generated for renewable heating oil by domestic producers.

Nearly 23.65 million D5 advanced biofuel RINs were generated in May, including 12.08 million generated for nonester renewable diesel by domestic producers, 7.68 million generated for naphtha by domestic producers, 2.74 million generated for ethanol by domestic producers, 724,477 generated for LPG by domestic producers, 342,109 generated for renewable heating oil by domestic producers and 84,107 generated for compressed RNG by domestic producers.

Total D5 RIN generation for the first five months of 2023 reached 96.77 million. That volume includes 43.8 million generated for nonester renewable diesel by domestic producers, 35.48 million generated for naphtha by domestic producers, 12.58 million generated for ethanol by domestic producers, 2.15 million generated for LPG by domestic producers, 1.95 million generated for renewable heating oil by domestic producers, and 817,585 generated for compressed RNG by domestic producers.

Nearly 1.28 billion D6 renewable fuel RINs were generated in May, including 1.25 billion generated for ethanol by domestic producers, 23.05 million generated for nonester renewable diesel by foreign entities, and 1.27 million generated for ethanol by importers.

Total D6 RIN generation for the first five months of the year reached 6 billion. That volume includes 5.92 billion generated for ethanol by domestic producers, 79.08 million generated for nonester renewable diesel by foreign entities, and 3.53 million generated for ethanol by importers.

According to EPA, 43,465 D7 cellulosic diesel RINs were also generated in May, all for cellulosic heating oil by importers. Total D7 RIN generation for the first five months of 2023 reached 113,426, all of which were generated for cellulosic heating oil by importers.

Additional data is available on the EPA website.