Understanding California's Low Carbon Fuel Standards Regulation

The California Low Carbon Fuel Standard (LCFS) is a market-based regulation designed to reduce greenhouse gas emissions from transportation by capping the carbon intensity of fuels. The program uses a credit and deficit system where fuels with lower carbon intensity than a gasoline/diesel benchmark generate credits, while higher-intensity fuels generate deficits. These credits can be generated through fuel supply, carbon capture and storage projects, or zero-emissions vehicle infrastructure capacity. While the program has spurred innovation in low-carbon fuels, critics like the NRDC argue that it over-incentivizes biomass-based fuels—which account for nearly three-quarters of credits—potentially diverting resources from the transition to electricity and zero-emissions vehicles.

• The LCFS program aims to reduce greenhouse gas emissions by lowering the carbon intensity (CI) of transportation fuels, with targets set to decline 80 percent from a 2010 baseline by 2030.
• The regulation operates via a market-based credit and deficit system where fuels exceeding the carbon intensity benchmark must purchase credits from low-carbon fuel providers. To prevent extreme price spikes for end users, the California Air Resources Board (CARB) implemented a price cap on credits, which was $253.53 in 2023.
• LCFS credits can be generated through three distinct pathways: fuel-based crediting for low-carbon fuel providers, project-based crediting via carbon capture and storage (CCS) at refineries and production facilities, and capacity-based crediting for unused hydrogen and EV charging infrastructure.
• The program provides a significant revenue stream for EV charging providers, potentially offsetting a large portion of electricity costs. For example, at a maximum credit price of $200, charging a 65kWh Chevy Bolt could earn $10.25 in credits, offsetting 50–80 percent of the electricity cost; however, at an average price of $74, this offset drops to 20–30 percent.
• There is a significant imbalance in credit distribution, with biomass-based fuels receiving nearly three-quarters of all LCFS credits. Organizations such as the National Resources Defense Council (NRDC) have expressed concern that this over-incentivizes livestock biomethane and crop-based biofuels due to inaccurate carbon intensity accounting, thereby disadvantaging electricity.

APA

RMI (2023). Understanding California's Low Carbon Fuel Standards Regulation. https://rmi.org/resources/understanding-californias-low-carbon-fuel-standards-regulation/

Chicago

RMI. Understanding California's Low Carbon Fuel Standards Regulation. 2023. https://rmi.org/resources/understanding-californias-low-carbon-fuel-standards-regulation/.

Wikipedia

{{cite report |author=RMI |title=Understanding California's Low Carbon Fuel Standards Regulation |date=4 October 2023 |url=https://rmi.org/resources/understanding-californias-low-carbon-fuel-standards-regulation/ |access-date=17 August 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{rmi2023understanding, author = {{RMI}}, title = {{Understanding California's Low Carbon Fuel Standards Regulation}}, institution = {RMI}, year = {2023}, month = oct, url = {https://rmi.org/resources/understanding-californias-low-carbon-fuel-standards-regulation/}, urldate = {2026-08-17}, note = {Indexed by Climate Insights Directory} }