www.airflowcatalyst.com/

Diesel Particulate Filter Manufacturers Task Force
www.akpf.org

DECHEMA Gesellschaft für Chemische Technik und Biotechnologie e.V.
www.dechema.de

German Hydrogen and Fuel Cell Association
www.dwv-info.de

Online information service on clean diesel engines and diesel emissions
www.dieselnet.com

FAD (Research Association for Diesel Emission Control Technologies)
www.fad-diesel.de

Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung
www.ifam-dd.fraunhofer.de/fhg/ifam_dd/
SAE (Society of Automobile Engineers)
www.sae.org

WBZU (Fuel Cell Education and Training Center Ulm)
www.wbzu.de