The sharp drop in gasoline prices over the past few months is providing a rare political opening for state and federal officials who want to raise gasoline taxes to repair highways and boost construction jobs. In Iowa, Republican Gov. Terry Branstad is gauging lawmakers’ support for the first state gas-tax increase since 1989, among other options to raise transportation funds. In Michigan, the GOP-controlled legislature approved a plan last month for a ballot initiative to boost the gas tax for road repairs. In Utah, Republican leaders in the state House signaled this week they are moving to raise the gas tax to cover a transportation-funding shortfall. In the nation’s capital, several top Senate Republicans—supported by some Democrats—are signaling an openness to raising the federal levy from the 18.4 cents a gallon it’s been at since 1993. The backers include business groups and corporate leaders who want to see […]