| web | Madeleine Cuff | New Scientist | 2024-11-07 | |
| web | Stefan Gossling, Andreas Humpe | Communications Earth & Environ... | 2024-11-07 | |
| web | Damian Carrington | The Guardian | 2024-11-07 | |
| web | Huileng Tan | Business Insider | 2021-11-01 | |
| web | Andrew Murphy and Valentin Sim... | Transport & Environment | 2021-05-01 |