| Issue Date | Title | Author(s) |
| 2021-07-01 | A comprehensive review on the recent development of ammonia as a renewable energy carrier | Hasan, MH; Mahlia, TMI; Mofijur, M; Rizwanul Fattah, IM; Handayani, F; Ong, HC; Silitonga, AS |
| 2021-10-01 | Utilization of microalgae for bio-jet fuel production in the aviation sector: Challenges and perspective | Lim, JHK; Gan, YY; Ong, HC; Lau, BF; Chen, WH; Chong, CT; Ling, TC; Klemeš, JJ |
| 2021-10 | Acid-based lignocellulosic biomass biorefinery for bioenergy production: Advantages, application constraints, and perspectives. | Hoang, AT; Nizetic, S; Ong, HC; Chong, CT; Atabani, AE; Pham, VV |
| 2021-04 | Impact of COVID-19 on the social, economic, environmental and energy domains: Lessons learnt from a global pandemic. | Mofijur, M; Fattah, IMR; Alam, MA; Islam, ABMS; Ong, HC; Rahman, SMA; Najafi, G; Ahmed, SF; Uddin, MA; Mahlia, TMI |
| 2022-01-01 | Microalgae biomass as a sustainable source for biofuel, biochemical and biobased value-added products: An integrated biorefinery concept | Siddiki, SYA; Mofijur, M; Kumar, PS; Ahmed, SF; Inayat, A; Kusumo, F; Badruddin, IA; Khan, TMY; Nghiem, LD; Ong, HC; Mahlia, TMI |
| 2021-01-01 | Biohydrogen production from wastewater-based microalgae: Progresses and challenges | Ahmed, SF; Mofijur, M; Nahrin, M; Chowdhury, SN; Nuzhat, S; Alherek, M; Rafa, N; Ong, HC; Nghiem, LD; Mahlia, TMI |
| 2021-10-01 | Impact of partial alteration of diesel fuel on the performance and regulated emission of a diesel engine | Rahaman, M; Hasan, I; Mofijur, M; Rasul, MG; Hassan, NMS; Ong, HC |
| 2021-11-01 | Production of bio-fuel from alcohothermal liquefaction of rice straw over sulfated-graphene oxide | Echaroj, S; Pannucharoenwong, N; Ong, HC; Rattanadecho, P |
| 2021-12-01 | Variation of lignocellulosic biomass structure from torrefaction: A critical review | Ong, HC; Yu, KL; Chen, W-H; Pillejera, MK; Bi, X; Tran, K-Q; Pétrissans, A; Pétrissans, M |
| 2021-03-01 | Adsorptive removal of cationic methylene blue and anionic Congo red dyes using wet-torrefied microalgal biochar: Equilibrium, kinetic and mechanism modeling. | Yu, KL; Lee, XJ; Ong, HC; Chen, W-H; Chang, J-S; Lin, C-S; Show, PL; Ling, TC |
