Professional automotive forum for discussion of automotive emissions, on-board diagnostics (OBD2), and emissions testing programs around the world. The discussions often cover both the non-technical aspects (such as enforcement, automotive politics, and legal), as well as the technical aspects of emissions and emissions-related repairs, including the differences between vehicle certification and the various inspection and maintenance programs around the world. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Industry Events Forum.

• HD/Fleet Forum
• HVAC Forum (Heating, Ventilation, and Air Conditioning)
• Technical Discussion Forum
• Technical Theory Forum
• Technical Tips Forum
• Tool & Equipment Forum
• Transmission Forum

• Classifieds Forum
• Educators' Forum
• Emissions Forum
• Industry Events Forum
• Industry Issues Forum
• R.P.M. Forum (Restoration, Performance and Motorsports)
• PC Users Forum
• Shop Management Forum

• Castrol Forum
• Snap-on Handheld Users Group