As the first U.S. oil condensate exports head to Asia from the Gulf Coast, crude producers and refiners are exploring ways to get around a century-old law that makes it three times more expensive to ship by water between U.S. ports than to sail to a foreign port. The Jones Act, originally passed to protect the U.S. maritime industry, restricts passage between U.S. ports to ships that are U.S.-built, U.S.-flagged and U.S.-crewed. If oil exports pick up pace while the Jones Act is left in place, U.S.