The Kum & Go, at 141 S. Jordan Creek Parkway in West Des Moines, is offering fuel containing 10 percent ethanol for that price from 11:30 a.m.-1 p.m. today.
Rahal Letterman Racing's Jeff Simmons, who drives the ethanol car, will be on hand for the event. (Promoting the Indy 250 at Iowa Speedway)