Fuel cell: A power source for the future automobiles. Fuel cells produce electricity through chemical reaction with no harmful exhaust emission. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostFeeler gauge Next PostFuel injector