Canada enters the natural gas injection season with below-average storage levels as demand from resurging activity in the oil sands as well as coal-to-gas switching and higher exports look to boost AECO prices in relation to major market centers in the US Upper Midwest. The NGTL pipeline and storage system also looks to play a role in the market this year. S&P Global Platts natural gas editor Brandon Evans and analyst Richard Frey look at the issues driving the market.