Fundamentally, Canada's gasoline prices.... We've had officials from my department come to testify before this committee around gasoline prices and around refining capacity. There's a wide range of factors that take place that affect gasoline prices over time, from the price of crude oil internationally and the North American market, refining margins, retailing margins, provincial taxes, and so forth. These evolve over time; all of these variables evolve.
On March 27th, 2012. See this statement in context.