The paper presents the laboratory test results determining physical parameters of fuel mixture made up of petroleum diesel oil. rapeseed oil methyl esters (up to 20%) and water (up to 2. 5%). The obtained parameters prove that adding bio-components (rapeseed oil methyl esters) and water to fuel does not result in deterioration of their physical and chemical properties and are comparab... https://www.mariameetsanna.com/product-category/11g/