Supercharger credits, which allow Tesla Roadtrippers to travel for free throughout the company’s massive fast-charging network, were acquired via a long-running car referral scheme that was canceled, then resurrected, and then canceled again. The program offered bigger rewards for numerous referrals, such as limited edition Elon Musk “signature” home chargers, special 20-inch “Zero-G” sport wheels, and even free vehicle drawings.
