News roundup: ConocoPhillips, NuStar say they’re first to export US oil … Overseas oil surplus leading to big payday for shipping companies … Houston company completes ethane pipeline to Napoleonville

First to sea: ConocoPhillips and NuStar claim they have taken the lead in the race to export the first U.S. crude oil since Congress lifted the 40-year-old oil export ban, FuelFix.com reports. The two…