Subcommittee:
				
				
					Subcommittee on Energy
					
				
				
			
		
		
		
		Witnesses:
Witnesses
- Mr. Mark Mills, Senior Fellow, Manhattan Institute (Republican Witness)
 - Dr. Arun Majumdar, Jay Precourt Provostial Chair Professor, Stanford University
 - Dr. Ellen Williams, Distinguished University Professor, University of Maryland
 - Dr. John Wall, Retired CTO of Cummins, Member of the Committee on Evaluation for the 2017 National Academies Review of ARPA-E
 - Dr. Saul Griffith, Founder and CEO, Otherlab