| Author | Herdzik [19] | K. Andersson [20] | J. Hansson [21] | Hyungju Kim | M. Mollaoğlu [22] | Zhong Shuo Chen [23] | Francielle Carvalho [24] |
| Year of Publication | 2021 | 2020 | 2020 | 2020 | 2022 | 2022 | 2019 |
| Method | Fuel Parameter Comparison | Sustainability Assessments | multi-criteria decision analysis | Integrated evaluation | TOPSIS | Life cycle assessment | Life cycle assessment |
| Research Range | Global | Global | Global | Global | Global | tugboats | Brazil |
| Alternative Fuel | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Biofuel | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Alcohols | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Ammonia | Yes | Yes | Yes | Yes | Yes | No | No |
| Hydrogen | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Electricity | Yes | Yes | Yes | Yes | Yes | Yes | No |
| LNG | Yes | Yes | Yes | No | No | No | No |
| Dual fuel | Yes | No | No | No | Yes | Yes | No |