Jan. 28 (UPI) -- Ecuador confirmed a retaliatory 900% increase in the tariff it charges to transport Colombian crude oil through its petroleum infrastructure, raising the cost to $30 per barrel from $3 -- a move that has deepened bilateral tensions in the energy and trade spheres. The measure was confirmed Monday by Ecuador's Minister of Environment and Energy Ines Manzano, who said the new rate applies to Colombian crude that moves through the Transecuadorian Oil Pipeline System, known by its

Tag-uri: Petrol