An excavator vehicle, manufactured by Doosan Group, drills into frozen earth during pipe laying at the Russkoye heavy crude oil field. (Photographer: Andrey Rudakov/Bloomberg)

Oil Rises as Supply Risks Ripple Through Mideast, Great Plains

(Bloomberg) -- Oil climbed for a second day as supply risks from the Middle East to the U.S. Great Plains overwhelmed concerns that trade tensions will swamp energy demand.