Legend: Industry industry; Transport-traffic; Household - households; Services - services; billion grams CO2 equivalent - CO2 equivalent (Gg) The use of heavy oil fractions as a fuel in industry leads to significant GHG emissions by 2030 compared to other types of fuel, graph 15, and the use of diesel fuel in the processing industry by 2030 makes this sector the largest GHG emitter, graph 16. Graph 15 - Use of energy sources/GHG emissions/Industry