steam rail motors
...that the steam rail motors, introduced by the Great Western Railway in 1903 to stimulate traffic, were so successful that they had to be replaced by conventional trains?
...that the <b id="mwEjc"><a href="./GWR_steam_rail_motors" id="mwEjg" rel="mw:WikiLink" title="GWR steam rail motors">steam rail motors</a></b>, introduced by the <a href="./Great_Western_Railway" id="mwEjk" rel="mw:WikiLink" title="Great Western Railway">Great Western Railway</a> in 1903 to stimulate traffic, were so successful that they had to be replaced by conventional trains?