For each dollar motorists spend on their vehicles somebody spends more than a dollar to park it. To reduce these costs many jurisdictions are eliminating or reducing parking requirements and encouraging more efficient parking management. You can too!
Ideally, the best way to encourage sales of non-polluting electric vehicles would be to price carbon emissions. But if that isn't possible, why not reward EV owners with perks such as free parking; or would that be a distortionary incentive?