Free of charge electric car charging station in the parking lot of a Giant Food Store. The concept, developed by Volta Charging, LLC, is to develop a network of advertiser-supported charging stations in the parking lots of prominent retailers to provide up to two hours of charging for cars that include the Tesla, the Chevy Bolt EV and the Hyundai Kona Electric. Where: Rockville, Maryland, United States When: 07 Jun 2021 Credit: INSTARimages/Cover Images