The overall CO2 emission is projected to increase by 5% and 6% by 2025 and 2030 respectively from the baseline 2015. Distribution by sectors. Table 4: Projection of CO2 emissions by fuel type (in GgCO2 e.). Fuel Type. 2005 (Baseline). 2020. 2025. 2030. Petrol. 3414.05. 11985. 16850. 19542. Diesel. 13184.69.