The battle for this year’s USF Juniors Presented by Continental Tire championship has intensified following this weekend’s Elite Engines Grand Prix of Road America tripleheader. Liam Loiacono, from Sunshine Coast, Queensland, Australia, this morning completed a clean sweep for Jay Howard Driver Development, although Brazilian Leonardo Escorpioni, from Windermere, Fla., maintained his points lead following an excellent charge to second place after starting back in 14th for Zanella Racing.