A fireless locomotive is a steam locomotive which runs on stored steam. It haes no boiler but it haes a reservoir which must be charged wi steam frae a stationary boiler. Fireless locomotives emit no smoke or sparks sae thay war uised in auries whaur cleanliness or law fire risk war important. Thay war uised in fuid factories, ile refineries etc., but thay hae largely been replaced bi "flameproof" diesel locomotives. The lairgest bigger o fireless locomotives in the Unitit Kinrick wis Andrew Barclay.