The American Energy Alliance says, "If the President's allies would stop suing, we could double U.S. proven reserves he refers to as "only 2% of the world's oil" right away."   Bloomberg (2/22/12) reports: Royal Dutch Shell Plc’s air pollution permits for offshore oil drilling in Alaska were challenged by environmental groups who said the permits violate the U.S. Clean Air Act…The Alaska Wilderness League and eight other organizations filed a petition with the U.S. Court of Appeals in San Francisco on Feb. 17, asking it to review two permits the U.S. [...]