This 56’ general service tank car is white with green ends and black lettering and runs on Barber Roller Bearing trucks. Built in 1985, this Petróleos Mexicanos (Pemex) car is unusually colorful for a petroleum tanker. Pemex is a Mexican state-owned petroleum company with roots going back to 1938 through the nationalization of all private domestic oil companies. Today, Pemex is Latin America’s second largest company in terms of annual revenue.