Free of charge electric car charging station in the parking lot of a Giant Food Store in Rockville, Maryland on Monday, June 7, 2021. 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. Credit: Ron Sachs / CNP. 07 Jun 2021 Pictured: Free of charge electric car charging station in the parking lot of a Giant Food Store in Rockville, Maryland on Monday, June 7, 2021. 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. Credit: Ron Sachs / CNP. Photo credit: Ron Sachs - CNP / MEGA TheMegaAgency.com +1 888 505 6342