Traction Engine : A motor vehicle propelled by steam power and designed for use on roads and not for the carriage thereon of goods or of passengers other than the driver
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}