The first touch-screen operated Coca-Cola Freestyle fountains, capable of mixing and serving more than 120 regular and low-calorie soft drink brands are now up-and-running at Firehouse Subs’ four (4) restaurants in Puerto Rico, located in San Patricio Plaza (Guaynabo), Los Prados (Caguas), Juncos (Galería Juncos) and Plaza Las Américas.