In this file photo, a BNSF Railway train hauls crude oil near Wolf Point, Mont. Fort Worth-based BNSF, the largest U.S. crude-by-rail carrier, is offering lower rates to lug oil in cars that meet the latest federal specifications issued in May.
In this file photo, a BNSF Railway train hauls crude oil near Wolf Point, Mont. Fort Worth-based BNSF, the largest U.S. crude-by-rail carrier, is offering lower rates to lug oil in cars that meet the latest federal specifications issued in May. Matthew Brown AP archives
In this file photo, a BNSF Railway train hauls crude oil near Wolf Point, Mont. Fort Worth-based BNSF, the largest U.S. crude-by-rail carrier, is offering lower rates to lug oil in cars that meet the latest federal specifications issued in May. Matthew Brown AP archives