Diesel Particulate Filter (DPF): A filter which removes small particles from exhaust of a diesel engine. 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 PostDieseling Next PostDiesel Particulate Matter (DPM)