If I were to make a categorical statement, it would be this. For any given entity whether it's a province, a country, or North America, the more efficient the transportation system is in terms of its integration, its fluidity, and how it delivers products to the end user, the less greenhouse gases are produced per dollar of gross domestic product, whether it's North American GDP or Canadian GDP. So to me, people never talk about it, but it is fundamentally true that a highly efficient transportation system is probably one of the best anti-greenhouse gas policy frameworks you could adopt.
On September 11th, 2017. See this statement in context.