Elon Musk promises Tesla will pay customers who miss federal tax credit

Tesla Chief Executive Elon Musk said the electric car company will reimburse customers if delays to car deliveries cause them to miss out on a significant tax credit. Incentives in the form of federal tax credits that lower the cost of electric vehicles are available for the first 200,000 such vehicles sold by an automaker. The tax credit is then reduced by 50 percent every six months until it phases out…