In May 2003, the engines were revised to comply with the 2001 vehicle emissions regulations. In September of the same year, a Hybrid model was added to the lineup. The Dyna/Dutro underwent a minor revision in May 2004 which resulted in the introduction of the common rail diesel fuel injection system as well as the EGR (for gasoline powered models) and DPR (for diesel powered models) systems. In July of the same year, the engine of the 1.0 tonne model was updated to engine rated at .