UPDATE 1-Senator says small change could get some U.S. crude exports flowing
April 02, 2014 at 16:40 PM EDT
WASHINGTON, April 2 (Reuters) - The U.S. Commerce Department could help energy companies start to bypass a 40-year ban on most U.S. crude oil exports by allowing shipments of a type of petroleum that has become abundant during the energy boom, a key senator said on Wednesday.