A tourist touring train in Skagway, Alaska, powered by a 6 cylinder, 900 hp, Alco 251B diesel locomotive. The train carries tourists through a scenic mountain area.
Diesel odor and soot from the diesel locomotive was a nuisance to passengers on the train. DCL was approached for an emission control solution.
DCL custom designed an emission control catalyst for retrofit onto the locomotive. Test results for the diesel oxidation catalyst showed a reduction of hydrocarbons and odor causing compounds of 90% and a reduction of carbon monoxide by 99%. The customer reported a significant improvement in the tour experience of passengers.