Heavy-Duty Diesel Emissions Control Symposium

Heavy-Duty Diesel Emissions Control Symposium 2020 Postponed Until October 2021

Due to concerns around the ongoing coronavirus (COVID-19) pandemic, SAE International has made the responsible decision to postpone the Heavy-Duty Diesel Emissions Control Symposium (HDD), originally scheduled for October 13-14, 2020, until October 5-6, 2021, in Gothenburg, Sweden.

Before making this decision, we extensively monitored and evaluated health directives from governmental and international health authorities, government- and corporate-imposed travel restrictions, and distancing and gathering directives and recommendations. We remain firmly committed to prioritizing the health and safety of our speakers, customers, partners and staff who are attending our events, and apologize for any inconvenience this postponement has caused.

Please see our Frequently Asked Questions for additional information.

Explore the Future of the Heavy-Duty Diesel Industry


Innovative and enquiring specialists gather together at the 2020 SAE International Heavy-Duty Diesel Emissions Control Symposium (HDD) to expand their knowledge and collaborate on the most promising new technologies.

Immerse yourself in presentations from leading heavy-duty diesel powertrain industry experts that are currently engaged in cutting edge technology. They will highlight the pathways to emissions compliance and provide strategies to drive breakthroughs in future designs and after-treatment systems. This event will provide pertinent regulatory insight, state-of-the-art technical developments, and first-hand experiences that will enlighten the attendees on the future direction of the industry.

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