Reuters: T.Boone Pickens’ proposal to run more U.S. vehicles on natural gas got a boost in Congress this week, but the energy billionaire must wait a few years before profiting from any investments linked to the plan. An energy bill introduced on Tuesday by Senate Majority Leader Harry Reid would provide subsidies for natural gas-fired trucks and municipal vehicles, an idea long championed by Pickens as a way to curb U.S. dependence on foreign oil. Pickens told Reuters during a January …