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Bill

Bill

AB 30

State Air Resources Board: gasoline specifications: ethanol blends.

2025-2026 Regular Session Introduced by Juan Alanis and 18 co-sponsors

California law empowers air board to set higher ethanol fuel blend standards, enabling E15+ fuels to reduce emissions and petroleum use while raising engine compatibility and agricultural concerns.

Chaptered by Secretary of State - Chapter 247, Statutes of 2025.
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Bill Summary · AB 30

Legislative bill overview

AB 30 authorizes the California State Air Resources Board (CARB) to establish specifications for gasoline blends containing higher ethanol concentrations, particularly E15 (15% ethanol) and potentially higher blends. The bill was passed with urgency and has been signed into law, giving CARB regulatory flexibility to adjust fuel standards based on air quality and environmental considerations.

Why is this important

Ethanol blends can reduce greenhouse gas emissions and petroleum dependence while potentially lowering fuel costs, but they also raise concerns about engine compatibility, food crop impacts, and air quality trade-offs. This law enables California to modernize its fuel standards in line with federal initiatives, though it shifts decision-making authority from the legislature to a regulatory agency.

Potential points of contention

  • Engine compatibility concerns: E15 and higher ethanol blends may damage older vehicles and small engines not designed for such concentrations, potentially creating equity issues for lower-income vehicle owners
  • Food versus fuel debate: Increased ethanol demand could raise corn prices and pressure agricultural land use, affecting food security and farming economics
  • Air quality trade-offs: While ethanol reduces some emissions, it may increase volatile organic compounds (VOCs) in certain conditions, complicating California's already-complex air quality challenges

Compiled from official sources — confirm details with the bill’s official record.

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