At the beginning of the course the students are acquainted with the basic principles of scientific work, the method will be applied further in creating the outputs of the subject. Another aim is to get acquainted with the basic types of fuels available and their properties with regard to their possible use. The most extensive part of the course is devoted to individual technologies of thermochemical, biochemical and mechanical conversion of solid fuels. Students will understand basic conversion mechanisms, advantages and limitations of individual methods.