Saudi Arabia, the world's biggest oil exporter, was hit hard last year when oil prices plummeted.
Michigan set a May 12 deadline for Enbridge to shut down the crude oil pipeline.
If the increase is a one-off, it won’t affect a market that is quickly rebalancing.
Some Republican lawmakers have asked president to block shipments under executive authority.
President urged to embargo oil from OPEC and Russia.
The decision, in effect for a year, could increase US petrochemical exports to China.
Cut in imports from Iran is cited for reduction.
U.S. refiners warned the Trump administration that tariffs on imports from Mexico could deliver a punishing blow to refiners and raise the cost of gasoline just as the U.S. driving season kicks into high gear, according to sources familiar with the discussions.