Blendco Systems has announced the appointment of Bill Carbonel as its new national tunnel sales manager. Carbonel joined the Blendco sales team in 2013 as the western regional tunnel sales manager and over the past two years has greatly increased Blendco’s presence among tunnel car washes on the West Coast. He was among the top sales representatives of DuBois Chemicals, Blendco’s parent company, in 2014, earning him a coveted spot on the President’s Council. Carbonel owned and operated a car wash in the past and served as president of the Western Carwash Association in 2010.