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Washington State Adopts CARB’s ACT Rule

On November 29, 2021, Washington state's Department of Ecology adopted the California Air Resources Board (CARB)'s Advanced Clean Trucks (ACT) rule, which requires truck manufacturers to increase its sales of zero-emission medium- and heavy-duty trucks in the state.
 
In addition to adopting the ACT rule, the state of Washington also adopted the Zero Emission Vehicle Program which mandates manufacturers to increase the number of zero-emission light-duty trucks in the state. The zero-emission program, which is set to begin in 2024, is expected to account for 8% of all light-duty trucks sales in Washington. As you may recall, under CARB's ACT rule, manufacturers are required to sell a certain percentage of heavy-duty engines beginning with model year 2024 and medium- and heavy-duty zero emission trucks starting with the 2025 model year.
 
California, Oregon, and now Washington have formally adopted the ACT rule. Additionally, several other states, who signed onto the Multi-State Medium- and Heavy-Duty Zero Emission Vehicle Memorandum of Understanding (MOU), are currently considering adopting CARB's ACT rule this year. These states include Maine, Massachusetts, New Jersey, and New York. TRALA will continue to update its membership as more states move to adopt clean truck standards.

You may view a copy of the rulemaking by clicking here.
 
If you have any questions or need additional information, please contact TRALA's Elizabeth Hyers at ehyers@trala.org or Andrew Stasiowski at astasiowski@trala.org.  
 
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