A bill in Washington state would tax electric vehicle drivers for the gas they aren't using to power their cars. As Sarah Gardner reports, it's all about finding new ways to pay for growing budget deficits. An all-electric vehicle exhibited in Santa Monica JEREMY HOBSON: New legislation in Washington state has electric vehicle enthusiasts all charged up. But not in a good way. The bill would tax EV drivers for the gasoline they don't use. From the Sustainability Desk, Sarah Gardner reports. SARAH GARDNER: Gasoline taxes pay for road maintenance and repair. But cash-poor states are beginning to worry about...