Two proposed pipeline projects will have to wait longer for a verdict from the Canadian government and will have to submit to carbon-emissions testing to gain approval as part of temporary measures announced Wednesday. The interim measures, which affect Kinder Morgan Inc. KMI -5.01 % ’s proposed Trans Mountain Pipeline and TransCanada Corp. TRP 0.21 % ’s Energy East project, come as Ottawa plans broader changes to Canada’s environmental-assessment process. Initial reaction from the energy sector focused on the new delays in building much-needed pipelines, and the uncertainty this causes for oil-sands producers. The move addresses an election promise that Canadian Prime Minister Justin Trudeau made last fall to bring more robust environmental oversight to the pipeline-review process amid criticisms from environmentalists and aboriginal groups. It also comes at an uncertain time for Canada’s energy sector, which accounts for roughly 10% of the country’s economic output and is under […]