Volgren will today officially deliver the 500th low-floor bus built for ComfortDelGro Cabcharge (CDC), NSW’s biggest private bus operator, at a ceremony at Volgren’s Tomago Plant in Newcastle. The 12.5-metre bus, which takes 44 seated passengers Volgren will today officially deliver the 500th low-floor bus built for ComfortDelGro Cabcharge (CDC), NSW’s biggest private bus operator, at a ceremony at Volgren’s Tomago Plant in Newcastle. The 12.5-metre bus, which takes 44 seated passengers