Idoko-owo ti o tẹsiwaju ninu iwadi ati idagbasoke fun awọn imọ-ẹrọ turbo diesel nlọ lọwọ ati ṣe afihan ifaramọ Cummins lati firanṣẹ awọn iṣeduro ile-iṣẹ diesel ti o nṣakoso kọja ọna opopona ati ọja ita-ọna. 

Fun alaye siwaju sii nipa awọn ilọsiwaju imọ-ẹrọ Holset, darapọ mọ iwe iroyin mẹẹdogun Cummins Turbo Technologies.