“Tar Sands Invasion.” Dirty Oil Sands. May 2010: “Major oil company and other tar sands oil interests are attacking climate and clean energy policies in the United States and elsewhere. Concerned about their massive investments, tar sands oil interests are trying to undermine fuel standards, fuel purchasing provisions and other clean energy initiatives that would protect our climate, create green jobs and secure our future. Expansion of tar sands will undermine a U.S. transition to a clean energy economy.”