"We don't see the substantial risk from depressed economic activity and large number of people moving out of state," Horowitz said. "It's chiefly an accounting issue, not an economic one."
Both Howgate and Evan Horowitz said the main reason earlier predictions were so wrong was that no one was counting on such a large infusion of federal cash.
"It was originally a multi-state effort to put a price on the carbon in motor fuel...and thereby reduce the amount of carbon and reduce the amount of other emissions."