Analysts say Indiana is among the states with the most volatile gas prices.
Six stations in Bloomington, two in Bedford, two in Columbus, and one in Edinburgh are among those included in the recall.
A settlement has been signed that will cut emissions from the highly-polluting tar sands oil project in Northwest Indiana.
Many retailers have been losing money while trying to avoid breaking through the four-bucks-a-gallon mark.
Senior Petroleum Analyst with Gasbuddy.com Patrick Dehaan said the Midwest is below the average of other areas, mainly due to local supply factors.
The oil exploration is located on land near the Terre Haute International Airport and is part of The Illinois Basin.