TY JOUR TI Optimization of Mixed Biofuels Composition for Diesel Engines KW diesel engine KW petroleum diesel fuel KW rapeseed oil KW methyl ester of rapeseed oil KW mixed biofuel KW ecological characteristics KW exhaust gases toxicity. JO Safety in Technosphere AU Sivachev, V.. AU Markova, V.. AU Markov, V.. AU Sivachev, S.. PY 2014 IS 3 PB INFRA-M Academic Publishing LLC.