| Mode | Engine size | CO2 emissions (kg/km) | Annual CO2 emissions (kg) | Social carbon cost SCC/year in $ | |
| PC | <1.4 L | 0.185 | 48,212,850 | 1,976,727 | |
| 1.4 - 2.0 L | 0.2 | 208,485,000 | 8,547,885 | ||
| >2.0 L | 0.218 | 426,090,810 | 17,469,723 | ||
| Total | 27,994,335$ |