Tesla gives all existing owners free Supercharger use, as well as new referrals

Back in January electric car maker Tesla announced that it was bringing an end to the free unlimited Supercharger use perk for new buyers. Anyone who purchased a Tesla after January 15th would get 400 kWh of Supercharger credit per year, but after that they would need to pay to charge up their car while away from home. Fortunately those …