The state of Maryland is the latest US state to adopt the ‘Advanced Clean Trucks’ regulation pioneered by California. This regulation mandates truck manufacturers to incrementally increase the proportion of electric trucks, vans, and pickups in their sales by 2035.


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Maryland is the tenth state to commit to this regulation, with the implementation of rising electric quotas set to commence with the 2027 model year. By 2035, the mandated electric vehicle sales quota will be set at 55% for pickup trucks and vans, 75% for flatbed and panel vans, and 40% for tractor units sold in the state.

According to Maryland’s estimates, though medium and heavy trucks and buses constitute only 9% of the state’s registered vehicles, they are responsible for 39% of smog-forming nitrogen oxide (NOx) pollution, 48% of particulate matter (PM2.5) pollution, and 21% of greenhouse gas emissions from all on-road vehicles in the state.

“Adoption of the Advanced Clean Trucks rule is a clear signal to manufacturers, fleets, and consumers that Maryland is investing in the zero-emission medium- and heavy-duty vehicle market,” said Neda Deylami, Vehicle Electrification Manager at Environmental Defense Fund in the state. Deylami further noted that the rule aims to address the disproportionate impact of diesel vehicle emissions on local air pollution and public health, particularly in areas already at higher pollution risk.