AUBURN HILLS, Mich., May 7 /PRNewswire-FirstCall/ -- BorgWarner (NYSE: BWA) has been selected by JCB Power Systems to supply both wastegate and variable turbine geometry (VTG) turbochargers for the new versions of its Dieselmax 4.4-Liter engines starting in 2012. Designated the JCB 'Ecomax T4'