Example image of eyePlorer eyePlorer map for 'Advanced steam technology': Steam engine Internal combustion engine National Grid (UK) Argentina Livio Dante Porta Institution of Mechanical Engineers Rack and pinion Carbon dioxide CHP Diesel engine Geothermal gradient Greenhouse gas Heat engine Carbon monoxide Nitrous oxide Carbon neutrality Wood fuel Biofuel Silicon Waste heat Abner Doble Steam donkey Micro combined heat and power Personal computer IAV Škoda Fabia Ceramic heat cell DR Class 52.80 Ross Rowland Cab forward Turntable (rail) Sentinel Waggon Works Fireless locomotive Sacramento, California Heat regenerative cyclone engine Swiss Locomotive and Machine Works Oil burner (engine) History of the steam engine Exhaust gas LNER Peppercorn Class A1 60163 Tornado