The SEMA Garage emissions lab is open and ready to help ARMO companies ensure that their products meet the criteria for the California Air Resources Board (CARB) Executive Order (EO) process.

Emissions experts will assist with all aspects of compliance, including the preparation of the CARB EO applications, lab testing, and interaction with CARB/EPA on behalf of SEMA members. The testing capabilities include those required (excluding evaporative emissions tests) by CARB for the purposes of obtaining an EO for both gasoline and diesel vehicles.

The SEMA Garage is located adjacent to the SEMA headquarters in in Diamond Bar, California. For more information about the SEMA Garage emissions lab, visit

In addition to emissions compliance, the SEMA Garage is available to assist auto parts manufacturers year-round, start to finish. To learn about all of the services available to members through the SEMA Garage, visit