Have a (free) Coke and a smile: Coca-Cola celebrating summer and National Drive-In Day with free soda promo Thursday, June 3 by ABC NewsTo celebrate both June 6 as National Drive in Day, and the return to summer fun as the pandemic eases, Coca-Cola is handing out free sodas.The iconic soda brand is teaming up with America's oldest drive-in theater -- Shankweiler's Drive-In Theatre in... Read More.