| Hybrid Renewable Energy Systems | Lifetime | 81 | US 8 | 98.82 |
| Electric Vehicles and Infrastructure | Lifetime | 125 | US 26 | 98.90 |
| Thermochemical Biomass Conversion Processes | Lifetime | 215 | US 30 | 98.63 |
| Hydrogen Storage and Materials | Lifetime | 211 | US 31 | 97.69 |
| Ammonia Synthesis and Nitrogen Reduction | Lifetime | 275 | US 41 | 97.61 |
| Electric and Hybrid Vehicle Technologies | Lifetime | 197 | US 41 | 97.76 |
| Lithium-Ion Battery Management for Electric Vehicles | Lifetime | 863 | US 166 | 97.97 |
| Chemical Looping and Thermochemical Processes | Lifetime | 106 | US 10 | 97.42 |
| Subcritical and Supercritical Water Processes | Lifetime | 82 | US 15 | 96.76 |
| Catalysts for Methane Reforming | Lifetime | 715 | US 76 | 95.83 |
| Process Optimization and Integration | Lifetime | 379 | US 75 | 95.26 |
| Energy and Environment Impacts | Lifetime | 927 | US 177 | 93.86 |
| Carbon Dioxide Capture Technologies | Lifetime | 918 | US 137 | 93.35 |
| Thermodynamic and Exergetic Analyses of Power and Cooling Systems | Lifetime | 676 | US 40 | 92.64 |
| Oil, Gas, and Environmental Issues | Lifetime | 279 | US 65 | 78.72 |
| Hybrid Renewable Energy Systems | 2021-2025 | 10 | US 1 | 99.59 |
| Chemical Looping and Thermochemical Processes | 2021-2025 | 4 | US 1 | 98.92 |
| Hydrogen Storage and Materials | 2021-2025 | 14 | US 1 | 98.58 |
| Thermochemical Biomass Conversion Processes | 2021-2025 | 38 | US 4 | 99.00 |
| Ammonia Synthesis and Nitrogen Reduction | 2021-2025 | 61 | US 1 | 98.50 |
| Electric Vehicles and Infrastructure | 2021-2025 | 87 | US 6 | 98.44 |
| Energy and Environment Impacts | 2021-2025 | 165 | US 9 | 96.92 |
| Catalytic Processes in Materials Science | 2021-2025 | 885 | US 42 | 95.88 |
| Lithium-Ion Battery Management for Electric Vehicles | 2021-2025 | 921 | US 83 | 95.67 |
| Spacecraft and Cryogenic Technologies | 2021-2025 | 145 | US 7 | 93.69 |
| Coal Combustion and Slurry Processing | 2021-2025 | 102 | US 2 | 88.77 |
| Biofuel production and bioconversion | 2021-2025 | 967 | US 68 | 88.44 |
| Catalysts for Methane Reforming | 2021-2025 | 669 | US 21 | 88.22 |
| Industrial Gas Emission Control | 2021-2025 | 208 | US 3 | 87.44 |
| Electric and Hybrid Vehicle Technologies | 2021-2025 | 438 | US 16 | 86.76 |
| Carbon Dioxide Capture Technologies | 2021-2025 | 804 | US 98 | 84.71 |
| Coal and Its By-products | 2021-2025 | 369 | US 16 | 84.00 |
| Biodiesel Production and Applications | 2021-2025 | 950 | US 29 | 84.24 |
| Oil Palm Production and Sustainability | 2021-2025 | 267 | US 13 | 78.54 |
| Thermodynamic and Exergetic Analyses of Power and Cooling Systems | 2021-2025 | 653 | US 13 | 80.89 |
| Oil, Gas, and Environmental Issues | 2021-2025 | 66 | US 12 | 74.70 |
| Iron and Steelmaking Processes | 2021-2025 | 634 | US 12 | 77.51 |
| Subcritical and Supercritical Water Processes | 2021-2025 | 459 | US 20 | 62.82 |
| Global Energy and Sustainability Research | 2021-2025 | 791 | US 107 | 58.19 |
