clean coal
  
  
    
      
  
  
  
      
  
  
  
    
  
    
        
    
          
              
            
            
            
        March 20, 2013 -
        
  
        A watchdog group with a track record of uncovering conflicts of interest in fracking research has discovered that the president's energy nominee failed to disclose he was a director of a firm that profits from the shale gas industry at the time he released an influential study concluding the environmental impacts of the controversial gas drilling practice were "manageable."