The federal government must refund $4.5 million in fees on crude oil exports to Texas commodities traders, the Fifth Circuit ruled, saying the Founding Fathers' ban on export taxes meant to further trade policy extends to environmental policy. Allies of the "helpless" Alexander Hamilton — who "wanted what he got" and "got more than he gave" in the Constitution's final draft — gave in: The federal government is forbidden from taxing exports, but can "regulate commerce," Judge Ho said.