In Iowa, prices were rumored to reach $4.65 in the Quad Cities area, up from a typical range of $1.60 to $1.80 per gallon the previous weekend. The governor and attorney general issued statements to the effect they would investigate and prosecute instances of unreasonable price increases, and urged consumers to be calm.
In Michigan some isolated gas stations briefly hit over $5.00 a gallon however the state attorney general vowed to prosecute for price gouging anyone charging over $2.00 a gallon.
In Illinois, state attorney general Jim Ryan filed suit against convenience store chain Casey's Inc., for price gouging. The company faces a maximum penalty of $50,000 per offense if found guilty.