Mitt Romney drew a line in the oil sands on Friday, focusing on the controversial Keystone pipeline project opposed by the White House and saying, “I will build that pipeline if I have to myself.”

Romney blasted Obama on a range of policies during a speech to the Republican National Committee’s State Chairmen’s National Meeting in Arizona, but singled out the controversial project that would route Canadian oil sands south to Gulf Coast refineries.

The White House earlier this year rejected making a decision on the pipeline until the project had been reviewed, a process expected to take at least until after the November elections. But House Republicans this week, when pushing through legislation to extend needed federal transportation program funding, included a mandate to approve the pipeline.