Compressed Natural Gas (CNG): Alternative fuel consisting of natural gas compressed from 160 to 200 bar. 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 PostClearance volume Next PostCombustion chamber