The city of Hudson, Que., says the landowner was within his rights when a number of trees were cut down to make way for a future private housing project.

From regulatory issues to problems acquiring municipal permits, the Trans Mountain pipeline expansion project has had its fair share of obstacles. Now, an Alberta couple says the company behind the project is throwing obstacles in its way.

Opponents of TransCanada Corporation's proposed Keystone XL oil pipeline argued on Tuesday that regulators in Nebraska had no authority to approve the line's "alternative" path through the state and that the project should be considered dead.