If successful, the experiment could weaken oil's dominance as a transportation fuel and provide a new outlet for the glut of cheap natural gas in North America, the paper said in its online edition.
"This could be a transformational event for our railroad," BNSF Chief Executive Matt Rose told the Journal.
Shifting to natural gas would "rank right up there" with the industry's historic transition away from steam engines last century, he told the newspaper.
BNSF is the second-biggest user of diesel in the United States after the U.S. Navy, the paper said citing the company's estimates. (Reuters)
