Nigeria's upper house of parliament is to investigate allegations the state oil company illegally inflated funds it collected from an official subsidy scheme.
The sharply divided US Senate has passed a comprehensive energy legislation for the first time in nearly a decade, forging a rare bipartisan compromise -- even if the result is far less ambitious than energy packages of years past.
A bill to pass the 40-year-old ban on US oil exports has been passed by the Senate Banking Committee.
The bill, which was sponsored by Democrat Senator Heidi Heitkamp from North Dakota, passed 13 to 9.
The politician was the only person from the Democrats to vote for the measure.