%0 Journal Article %T The problem of diesel engine emission standards. foreign practice %A Litvinenko, N.V. %A Yudaev, S.N. %A Savostikova, O.G. %K ecology, emissions, dieselengines, Germany, trafficfumes, airquality %J Journal of Natural Sciences Research %D 2019 %N 4 %P 4 %I INFRA-M Academic Publishing LLC.