Between Kyoto and the caribou

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Heightened speculation about oil and natural gas prices and potential fuel supply problems in the North American market is standard fare with the onset of winter there. For US energy buyers, the comfort factor has always been Canada, which supplies about 3.2 trillion cubic feet of gas (tcf) annually to the US, around 95% of US gas imports and 15% of US total gas demand. The US-Canadian border is probably the most active in the world for two-way energy trades and the two