The Association of Diesel Specialists (ADS) is the worldwide diesel industry’s leading trade association, dedicated to the highest level of service on diesel fuel injection and related systems.

Links:
About ADS
ADS Online Forum
ADS Scheduled Technical Training
ADS Convention Virtual Tour

Members of the Diesel Technology Forum include Bosch, John Deere, CAT, Cummins, Ford, GM, Yanmar, Volvo, VW, CNH, Honeywell, Delphi, Isuzu, Borg Warner, Agco, Mazda and many others.

Links:
Presentation by Allen Schaeffer
Tier 4 Standards
About Clean Diesel