In terms of the goal of reducing our greenhouse gas emissions, natural gas is merely a stopgap; we have to find some other way. Either people don't travel, or they travel in Calgary's natural gas bus fleet rather than their personal cars, or they travel in electric vehicles that are theoretically zero emission. But to get there we have to take provinces like Alberta and wean them off coal. Am I right?
On May 1st, 2012. See this statement in context.