The inaugural CRC Emissions workshop convened as the “CRC-APRAC Vehicle Emissions Modeling Workshop” on October 30 and 31, 1990.  It was the first time that representatives from government agencies, universities, automotive and oil industries, and consulting and testing firms active in examining vehicle emissions inventories were assembled in one location. 

In three decades of annual events,  the Real World Emissions Workshop has grown into an international event, hosting over 250 participants representing more than a dozen countries. The 35th Real World Emissions Workshop will take place at the Marriott Long Beach Downtown in Long Beach, CA, from April 13th through April 16th, 2025.

The 2025 workshop honors over 30 years of research and contributions to ever-improving emissions and air quality and continues to evolve in response to research needs.