AUSTIN, Texas – official release — Charles Espenlaub and Steve Phillips will team up for the first time at Circuit of the Americas next weekend, co-driving the No. 99 Automatic Racing/Invisible Glass Aston Martin Vantage GT4 in round 11 of the IMSA Continental Tire SportsCar Challenge Series. The last time Espenlaub drove with Automatic was at Mazda Raceway Laguna Seca …