Alberta Premier Rachel Notley, federal Natural Resources Minister Jim Carr and Kinder Morgan's Ian Anderson all appealed to the national identity as they spoke to a business audience in Vancouver. It's a message that's not convincing to everyone.

A look at the important factors and how they've changed since the controversial pipeline project was introduced on Aug. 1, 2013

An oilsands chief executive says his company will still be working the oilsands for another 100 or 200 years. Others aren't so sure.