The picturesque city on the Atlantic is the injection point for a seldom-used, World War II-era oil pipeline that carries crude from the Maine coast to Montreal-area refineries. The Portland Pipe Line Corp, currently exclusively owned by Suncor Energy Inc., has been trying to reverse it for more than a decade so it can export Canadian crude to foreign markets. But the city seeks to prevent the reversal amid concerns exporting crude oil would threaten waterways and air quality.
