Though at the expense of lost sales from Alberta and British Columbia natural gas supplies, U.S. gas exports to Canada have fueled a significant reduction in greenhouse gas (GHG) emissions, according to the Canada Energy Regulator (CER).

aeco

U.S. exports of 2.6 Bcf/d to Ontario and Quebec fueled the green gain by shrinking cross-Canada flows from the western provinces.

From a peak of 12.6 million tons (Mt) in 1991, annual GHG emissions produced as exhaust from Canadian pipeline operating hardware have fallen by 34% to 8.3 Mt, CER data showed.

Natural gas conduits dominate fossil fuel pipeline emissions by tapping their cargo for compressor fuel, according to the CER. Oil pipelines prefer electric pumps.

Canadian pipeline GHG emissions dropped as low-cost Marcellus and Utica...