From April 2018 — based on CO₂ emissions
| CO2 emissions | Allowed rentals | Disallowed rentals |
|---|---|---|
| 110 g/km or below | 100% | 0% |
| Above 110 g/km | 85% | 15% |
From April 2013 to March 2018 – based on CO₂ emissions
| CO2 emissions | Allowed rentals | Disallowed rentals |
|---|---|---|
| 130 g/km or below | 100% | 0% |
| Above 130 g/km | 85% | 15% |
From April 2009 to March 2013 – based on CO₂ emissions
| CO2 emissions | Allowed rentals | Disallowed rentals |
|---|---|---|
| 160 g/km or below | 100% | 0% |
| Above 160 g/km | 85% | 15% |