The Washington State Department of Ecology (Ecology) recently
initiated a process to amend Chapter
173-423 WAC, the state's Clean Vehicles Program. The
Clean Vehicles Program aims to reduce greenhouse gas emissions by
increasing the number of zero-emission and low-emission vehicles on
the road. Under state law (RCW
70A.30.010), Ecology must adopt regulations that align with
California's emissions standards for new vehicles and engines.
So far, Ecology has incorporated California's Advanced Clean
Cars, Advanced Clean Cars II, Advanced Clean Trucks, and Heavy-Duty
Low NOx Omnibus standards into Washington's Clean Vehicles
Program.
Ecology is now contemplating regulatory amendments to address
recent modifications to California's Advanced Clean Trucks
and Heavy-Duty Low-NOx Omnibus regulations by the California Air
Resources Board (CARB). Ecology is expected to temporarily
delay the compliance deadlines for these regulations and provide
additional compliance flexibility