1. Biodiesel 

2. Biofuel 

3. Petrochemical and Environmental Catalysis 

4. Heterogeneous Catalysis 

5. Energy 

6. Materials 

7. Petroleum Technology 

8. Geochemistry 

9. Bioenergy and Biomass 

10. Pump and Compressor 

11. Energy Management 

12. Petroleum Economics 

13. Electric Machines 

14. Electric Power Systems Analysis 

15. Artificial Intelligence 

16. Electrical 

17. Electrical Instruments and Measurements