Establishes a tax on surplus zero-emission vehicle credits generated under Washington's zero-emission vehicle program.

The bill imposes an excise tax on the pooling, banking, and sale of surplus zero-emission vehicle (ZEV) credits as verified by the Department of Ecology for each model year. The tax applies to manufacturers who bank or sell ZEV credits in an amount equal to or exceeding 25,000 zero-emission vehicles or plug-in hybrid zero-emission vehicles. The tax rate is 10 percent for pooled ZEV credits, 2 percent for sold ZEV credits, and 50 percent for banked ZEV credits.

Establishes a tax on surplus zero-emission vehicle credits generated under Washington's zero-emission vehicle program.

The bill imposes an excise tax on the pooling, banking, and sale of surplus zero-emission vehicle (ZEV) credits as verified by the Department of Ecology for each model year. The tax applies to manufacturers who bank or sell ZEV credits in an amount equal to or exceeding 25,000 zero-emission vehicles or plug-in hybrid zero-emission vehicles. The tax rate is 10 percent for pooled ZEV credits, 2 percent for sold ZEV credits, and 50 percent for banked ZEV credits.