It was formally filed on May 19, 1995.
Fuels produced include gasoline, jet fuel, kerosene, fuel oil and residual oil.
Petrochemical feedstocks produced include butane and propane, and refinery by-products include petroleum coke and sulfur. Zone procedures would exempt the refinery from Customs duty payments on the foreign products used in its exports. The duty on crude oil ranges from 5.25 cents to 10.5 cents barrel. Marathon indicates that some of the NPF finished products might be used as fuel in the refining process. The application indicates that the savings from zone procedures would help improve the refinery's international competitiveness.