Josie Taylor | May 19, 2022
A new state law in Iowa would require most fuel stations to sell a gasoline blend with 15% ethanol. This will rapidly expand the fuel’s availability, but the law’s long-term effects might be more potent, according to the executive director of the Iowa Renewable Fuels Association.
Gov. Kim Reynolds signed House File 2128, which will boost the use of corn-based ethanol to fuel the state’s vehicles, into law on Tuesday. Her action capped a protracted and hard-fought legislative initiative that began last year.
The new law is also expected to boost the sales of diesel blends that contain 20% biodiesel, which is often made with soybean oil.
Monte Shaw, the Iowa Renewable Fuels Association’s executive director, predicts that E15 will be available at 1,000 more stations by 2026, when the ethanol requirement goes into effect. That would more than quadruple the current total, according to state data.
First, the law also requires new fuel station infrastructure — the tanks, fuel lines and pumps — to be compatible with higher blends of ethanol, which can degrade certain plastics and rubbers. That will help facilitate future increases in blend requirements, perhaps with gasoline blends of 30% or 40% ethanol, Shaw said.There are current federal rules that prohibit the summer sales of certain E15 blends because federal regulators have considered them more likely to evaporate in warmer temperatures and pollute the air. The Biden administration lifted that restriction for this summer to help reduce fuel prices.