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DES MOINES -- Iowa Secretary of Agriculture Mike Naig recently announced that the Renewable Fuels Infrastructure Program Board has approved more than $2 million in cost-share grants for 38 E15 and biodiesel infrastructure projects across Iowa. Marshall Brew Oil LLC in Marshalltown is the recipient of $75,000 for a retail E15 site and $50,000 for a retail biodiesel site.
The grants, approved during the Board’s July 29 meeting, include 24 ethanol projects totaling more than $1.43 million and 14 biodiesel projects totaling more than $604,000, for a combined investment of more than $2.03 million.
The grants will help Iowa fuel retailers install and upgrade infrastructure that expands consumer access to lower-cost, cleaner-burning renewable fuels while strengthening markets for Iowa’s corn and soybean farmers.
Iowa leads the nation in E15 (Unleaded 88) availability, with more than 1,100 fuel stations offering the lower-cost fuel blend. In 2025 alone, Iowa drivers saved more than $60 million by choosing E15 instead of E10, bringing total savings over the past three years to more than $126.5 million. Increased access to biodiesel has also strengthened demand for Iowa-grown soybeans, along with other oil and fat feedstocks, while providing consumers with a cleaner-burning renewable fuel option.
Additional information about the Renewable Fuels Infrastructure Program may be found on IowaAgriculture.gov.