The Keystone Pipeline has been the subject of much debate for several years now, as this large-scale project has stirred up quite a bit of controversy. The pipeline would be a major step toward reducing America’s dependence on foreign oil, but many are worried about the costs that would be associated with its construction. The proposed pipeline extensions pass through a number of sensitive environments and have therefore been met with extreme opposition. As an investor however, chances are that both a president Romney or Obama will do their best to green light the project come 2013, leading room to make some interesting additions to your portfolio [for more news on the energy industry subscribe to our free newsletter].