Warren Buffett's Pilot Co is shuttering its international oil trading business, ending an excursion into the trillion-dollar global market to refocus on its Pilot Flying J service stations and truck stops in the U.

Pilot Co. is closing its international oil trading business in order to focus on its Pilot Flying J travel centers, according to a Reuters report.

Berkshire Hathaway's Pilot Co shuts down international oil trading to focus on North American service station and truck stop business.