At the below link is an historic new document about suppressed energy technologies including hemp for energy, mentioning such names as Tesla, DePalma, Trombly, and discussing many genre of new energy techs suppressed that can replace nuclear and fossil fuel power, excerpt:

 

Energy Invention Suppression Case Statistics

 

Number of Energy Invention Suppression Incidents – 96

Number of Dead, Missing, or Injured Energy Inventors, Activists, and Associates – 20

Number of Energy Inventors and Associates Threatened with Death – 31

Number of Energy Researchers and Associates Imprisoned or Falsely Charged – 5

Number of Incidents of Energy Invention Suppression by the United States Government, Patent Office,

Central Intelligence Agency, Federal Bureau of Investigation, U.S. Marshals, Army, Air Force,

Navy, Bureau of Alcohol, Tobacco, and Firearms, Defense Intelligence Agency, S.W.A.T. Teams,

National Security Agency, U.S. Postal Service, Department of Energy, Department of State,

Securities and Exchange Commission, Food and Drug Administration, Department of Defense,

Department of Homeland Security, Internal Revenue Service, Rural Electrification Administration,

White House, Consumer Product Safety Commission, and Small Business Administration – 58

Number of Inventions Classified Secret by U.S. Patent Office – 5000

Number of Incidents Involving Oil Companies – 9

Names of Companies, Banks, State Agencies, Private Groups, and Universities Involved with Energy

          Invention Suppression – Standard Oil, Zapata Petroleum, Atlantic Richfield, Exxon-Mobile,

Shell Oil Company, General Electric Company, Yakuza, California Air Resources Board,

Organization of Petroleum Exporting Countries, Wells Fargo Bank, Ford Motor Company,

General Motors Corporation, Massachusetts Institute of Technology, Henry Ford,

Kollmorgan, World Bank, Rockefellers, Carlyle Group, and Bush Family