Vehicles are too fuel efficient so Washington state want to charge by the mile. West coast politicians are just totally disrespectful to the people they serve and to the Trump administration. Anarchy follows when people just flat out get fed up.
The road usage charge rate listed in the bill is 2.6 cents per mile driven.
https://www.king5.com/mobile/article/travel/washington-hb-191/293-54138940-3706-45ee-abdf-dad0ea4bbf38