The main activities in the Department of Combustion Research are surveyed in this Progress Report covering the period from 1 January to 31 December 1991. Facilities and equipment are mentioned briefly. The activities are divided into the following groups: combustion chemistry/fuel reactivity, atmospheric combustion systems; biomass combustion and gasification, pressurized combustion/gasification, oil/natural gas, and other activities. (au) (1 tab., 24 ills., 12 refs.).