 Washington PEV share in 2013 was more than four times the national average share of 0.32%.In the 12 months between April 2013 and March 2014, Seattle-Tacoma metro ranked as the third top selling all-electric car metropolitan market with a 1.83% market share of total new light-vehicle sales, only behind San Francisco-Oakland-San Jose (3.33%) and Atlanta (2.15%).New passenger cars, light-duty trucks, and medium-duty passenger vehicles that operate exclusively on electricity, hydrogen, natural gas, or propane are exempt from state motor vehicle sales and use taxes.