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Prime Minister Stephen Harper, right, speaks with U.S. President Barack Obama as they wait for a session to begin on the second day of meetings at the G20 Summit in Cannes, Nov. 4, 2011. (Adrian Wyld/Canadian Press)

Prime Minister Stephen Harper restated his full support for the Keystone XL oilsands pipeline proposal.

The line would carry crude oil from Alberta to Texas but must be approved by the U.S. State Department and U.S. President Barack Obama.

So far Obama has been non-commital on the project, which is strongly opposed by environmentalists and has sparked protests in the United States and Canada.

Harper says the pipeline would bring many economic benefits.

Speaking in Cannes, France at the G20 summit, Harper told reporters the project would create a vast number of jobs in Canada and the United States.

But Obama, who is heading into an election year, has said environmental issues would weigh just as heavily in any decision as job creation and energy security.