| Issue Date | Title | Author(s) |
| 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 |
| 2022-08-01 | Optimizing operation parameters of a spark-ignition engine fueled with biogas-hydrogen blend integrated into biomass-solar hybrid renewable energy system | Bui, VG; Tu Bui, TM; Ong, HC; Nižetić, S; Bui, VH; Xuan Nguyen, TT; Atabani, AE; Štěpanec, L; Phu Pham, LH; Hoang, AT |
| 2022-09-15 | Progress and challenges in sustainable pyrolysis technology: Reactors, feedstocks and products | Mong, GR; Chong, CT; Chong, WWF; Ng, JH; Ong, HC; Ashokkumar, V; Tran, MV; Karmakar, S; Goh, BHH; Mohd Yasin, MF |
| 2022-01-01 | Production of sustainable two-stroke engine biolubricant ester base oil from palm fatty acid distillate | Ng, BYS; Ong, HC; Lau, HLN; Ishak, NS; Elfasakhany, A; Lee, HV |
| 2022-01-01 | Recent advancements in catalytic conversion pathways for synthetic jet fuel produced from bioresources | Goh, BHH; Chong, CT; Ong, HC; Seljak, T; Katrašnik, T; Józsa, V; Ng, JH; Tian, B; Karmarkar, S; Ashokkumar, V |
| 2022-05-01 | Pilot-scale study on downdraft gasification of municipal solid waste with mass and energy balance analysis | Saravanakumar, A; Chen, W-H; Arunachalam, KD; Park, Y-K; Ong, HC |
| 2020-06-19 | State of the Art of Catalysts for Biodiesel Production | Fattah, I; Ong, HC; Mahlia, TMI; Mofijur, M; Silitonga, AS; Ashrafur Rahman, SM; Ahmad, A |
| 2022-08-01 | Pyrolysis of oil palm wastes for bioenergy in Malaysia: A review | Su, G; Mohd Zulkifli, NW; Ong, HC; Ibrahim, S; Bu, Q; Zhu, R |
| 2022-06-25 | Review on aqueous graphene nanoplatelet Nanofluids: Preparation, Stability, thermophysical Properties, and applications in heat exchangers and solar thermal collectors | Huq, T; Ong, HC; Chew, BT; Leong, KY; Kazi, SN |
| 2022-12-10 | Fourth generation biofuel from genetically modified algal biomass for bioeconomic development. | Shokravi, H; Heidarrezaei, M; Shokravi, Z; Ong, HC; Lau, WJ; Din, MFM; Ismail, AF |
