A pumping station owned by Tallgrass Energy is pictured in Guernsey, Wyoming, U.S. on January 17, 2017. Picture taken on January 17, 2017. REUTERS/David Gaffen A gallon of gasoline that allows a driver on the U.S. East Coast to travel about 25 miles has already navigated thousands of miles from an oil field to one of the world’s largest fuel markets. If its last stop is one of the region’s struggling refineries – an increasingly unlikely prospect – the crude used to produce the gas would have probably arrived by tanker from West Africa. That’s because the region’s five plants have no pipeline access to U.S. shale fields or Canada’s oil sands. Or the journey to an East Coast gas pump might start instead in North Dakota’s Bakken shale fields – which means it could take up to three months, including a stop at a Gulf Coast refinery. The […]