California Legalizes E15 Fuel - Newsom Signs AB30 to Open State to 15% Ethanol Blend
California legalizes E15 fuel, opening the door to lower gas prices, expanded ethanol markets, and environmental gains as regulatory reviews continue.
In a pivotal policy shift, California Governor Gavin Newsom has signed Assembly Bill 30, officially allowing the sale of E15 gasoline, a blend containing 15% ethanol, across the state. This decision ends California's distinction as the only state in the U.S. that had blocked the blend, which is already approved by the EPA and used widely in more than 30 other states.
Supporters of the legislation point to immediate benefits. Consumer savings top the list, with studies estimating that E15 could lower fuel prices by up to 20 cents per gallon. For Californians, that translates to a potential $2.7 billion in annual savings - or $200 per household. These figures come at a time when California residents face some of the highest gasoline prices in the country and are looking for affordable alternatives during the transition to cleaner energy.
Governor Newsomd the bill as a tool to provide relief to consumers while maintaining the state's environmental goals. "We're cutting red tape to provide consumers with more options as we continue our transition to cleaner transportation," he said in a signing statement. Assemblymember David Alvarez, the San Diego Democrat who authored AB 30, described the measure as a pragmatic solution to tackle fuel affordability and emissions simultaneously.
The ethanol industry quickly celebrated the bill's approval. Growth Energy CEO Emily Skor called it a breakthrough for the nation's second-largest fuel market, noting that it's been nearly 15 years since E15 received federal approval. The Renewable Fuels Association also praised the decision, with President and CEO Geoff Cooper emphasizing that California is now "on the road to lower gas prices and a cleaner future for families across the state."
From the agriculture sector's perspective, the move offers a new lifeline. With U.S. corn exports stagnant and international demand under pressure, opening California's fuel market to E15 creates a significant domestic outlet for ethanol producers and corn growers, especially in the Midwest. Expanding biofuel markets has been a lostanding priority for U.S. farm groups, and this legislative win gives them new ground in climate-forward states like California.
Still, regulatory hurdles remain. While the law allows immediate sales of E15, the California Air Resources Board (CARB) is continuing its review to determine whether the fuel blend fully complies with state air quality standards. CARB's ongoing evaluation includes a detailed multimedia analysis that assesses emissions, fuel storage compatibility, and engine impacts. Last year, Newsom directed the agency to accelerate this process, and additional funding has been allocated in the state budget to support faster rulemaking.
Environmental concerns also persist. Some groups caution that ethanol production has upstream emissions tied to fertilizer use, land conversion, and other inputs, which could undermine California's loterm electrification goals. However, industry advocates counter that most modern vehicles are already compatible with E15 and that multiple studies show the blend reduces both particulate matter and carbon monoxide emissions.
As California moves forward with implementation, fuel stations will need to update pumps, labels, and safety protocols to accommodate the new blend. Although the legislation is written as an urgency measure - taking effect immediately - full market availability will depend on how quickly infrastructure and distribution adapt.
Ultimately, AB 30 represents more than just a fuel policy change. It signals a broader shift in how California balances affordability, energy diversification, and climate action. With the state now open to E15, stakeholders from corn country to Capitol Hill will be watching closely to see whether this model can expand to other clean fuel initiatives - and possibly reshape the national biofuels strategy.