CN Tests Natural Gas Fuel

Canadian National has modified two 3000-h.p. SD40-2W locomotives to burn natural gas instead of diesel fuel. Nos. 5258 and 5261 are testing now on the 300-mile run between Edmonton and Fort MacMurray, Alberta, with a former Union Pacific fuel tender between them. They’ve been converted to burn a 90 per cent natural gas/ ten per cent diesel mixture using conversion kits supplied by Energy Conversions Inc. of Tacoma, Wash. The units are said to reduce carbon dioxide emissions by 30 per cent and nitrogen oxide emissions by 70 per cent compared to an identical locomotive burning pure diesel.

CN also intends to convert a pair of 4300-h.p. SD70M-2s to burn liquefied natural gas, with lab testing in 2013 and road testing beginning the year after that. This project will also develop a standardized fuel tender.

Source : Railroad Magazine

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