Lawmakers pushing to repeal the 1970s-era ban on U.S. oil exports face a steep obstacle: The Obama administration sees no need to fully remove the restriction while the country is still importing part of its oil supply. And many politicians are wary of a voter backlash if gasoline prices go up just as they open the door to exports. However, Senator Lisa Murkowski, the Republican head of her chamber’s energy committee, is expected to introduce a bill as soon as Tuesday night that would lift the ban Congress passed in 1975 after the Arab oil embargo created fears of global shortages. While there is plenty of resistance in Congress against lifting the ban, the prospects for a reversal could improve under some of the following conditions: THE US OIL PRICE DROPS FURTHER Mainly because of the U.S. oil glut, domestic crude producers now get about $6 a barrel […]