 DP01s owned by most Champ Car teams were sold to privateers in the United States and elsewhere.Two examples of the cars in use during 2010 were in the BOSS GP Series, where the chassis was campaigned by Henk de Boer and by Peter Milavec.Atlantic Championship former president Ben Johnston also owned multiple DP01s, which he intended to be raced in a new multi-class open wheel racing series called GreenPrixUSA.