internal combustion engines spaľovacie motory 9 [vynechat] air pollutant emission 2 [vynechat] automobiles 2 [vynechat] automobily 2 [vynechat] emisie znečisťujúcich látok 2 [vynechat] fuels 2 [vynechat] palivá 2 [vynechat] alternative propellants 1 [vynechat] alternatívne pohonné systémy 1 [vynechat] combustion 1 [vynechat] dejiny techniky 1 [vynechat] driving mechanism 1 [vynechat] exhaust emission systems 1 [vynechat] gas flow 1 [vynechat] gas fuels 1 [vynechat] history of technology 1 [vynechat] hydromechanics 1 [vynechat] hydromechanika 1 [vynechat] motocykle 1 [vynechat] motorcycles 1 [vynechat] motors 1 [vynechat] motory 1 [vynechat] plynné palivá 1 [vynechat] pohonné hmoty 1 [vynechat] pohony 1 [vynechat] propellants 1 [vynechat] prúdenie plynov 1 [vynechat] spaľovanie 1 [vynechat] vznetové motory 1 [vynechat]