Mr. Horrigan said polls have shown people often will drive out of their way for cheaper gas, even if gas spent on the trip cancels out any savings.
Franchot calls raising Maryland tax on gas 'crushing blow' →
"It doesn't make sense, but gas is an emotional purchase," he said. "It's a purchase that's not an option. People need it to go to work, they need it to take their kids to soccer, and it's an important issue to them."