Regulations
Japan automobile exhaust emissions standards: new testing mode (g/km)
| Item | Passenger and light-duty vehicles | Mini trucks |
| 2005 Emissions Standards | 2007 Emissions Standards | |
| CO | 1.15 | 4.02 |
| NMHC | 0.05 | 0.05 |
| NOx | 0.05 | 0.05 |
Japan Ministry of Land, Infrastructure and Transport exhaust emissions certification standard: new testing mode (g/km)
| Item | Passenger and light-duty vehicles | Mini trucks | ||
| 2005 standards | 2005 standards | 2005 standards | 2005 standards | |
| 50% lower than emission standards | 75% lower than emission standards | 50% lower than emission standards | 75% lower than emission standards | |
| (★★★) | (★★★★) | (★★★) | (★★★★) | |
| CO | 1.15 | 1.15 | 4.02 | 4.02 |
| NMHC | 0.025 | 0.013 | 0.025 | 0.013 |
| NOx | 0.025 | 0.013 | 0.025 | 0.013 |
FY2011 Fuel Economy Standards
(gasoline-powered passenger vehicles)
| Vehicle weight / taxable weight (kg) | –702 | 703– 827 |
828– 1,015 |
1,016– 1,265 |
1,266– 1,515 |
1,516– 1,765 |
1,766– 2,015 |
2,016– 2,265 |
2,266– |
| 10-15 mode (km/L) | 21.2 | 18.8 | 17.9 | 16.0 | 13.0 | 10.5 | 8.9 | 7.8 | 6.4 |
FY2011 Fuel Economy Standard +5%
(gasoline-powered passenger vehicles)
| Vehicle weight / taxable weight (kg) | –702 | 703– 827 |
828– 1,015 |
1,016– 1,265 |
1,266– 1,515 |
1,516– 1,765 |
1,766– 2,015 |
2,016– 2,265 |
2,266– |
| 10-15 mode (km/L) | 22.3 | 19.7 | 18.8 | 16.8 | 13.7 | 11.0 | 9.3 | 8.2 | 6.7 |
FY2011 Fuel Economy Standard +10%
(gasoline-powered passenger vehicles)
| Vehicle weight / taxable weight (kg) | –702 | 703– 827 |
828– 1,015 |
1,016– 1,265 |
1,266– 1,515 |
1,516– 1,765 |
1,766– 2,015 |
2,016– 2,265 |
2,266– |
| 10-15 mode (km/L) | 23.3 | 20.7 | 19.7 | 17.6 | 14.3 | 11.6 | 9.8 | 8.6 | 7.0 |
FY2011 Fuel Economy Standard +20%
(gasoline-powered passenger vehicles)
| Vehicle weight / taxable weight (kg) | –702 | 703– 827 |
828– 1,015 |
1,016– 1,265 |
1,266– 1,515 |
1,516– 1,765 |
1,766– 2,015 |
2,016– 2,265 |
2,266– |
| 10-15 mode (km/L) | 25.4 | 22.6 | 21.5 | 19.2 | 15.6 | 12.6 | 10.7 | 9.4 | 7.7 |
FY2011 Fuel Economy Standards
(gasoline-powered trucks)
| Item | Transmission type | Vehicle weight (kg) | Structure type | Fuel Economy Standards | Fuel Economy Standards + 5% | Fuel Economy Standards + 10% | Attains FY2011 Fuel Economy Standards + 20% |
| Mini truck | Manual type | –702 | Structure A | 20.2 | 21.2 | 22.2 | 24.2 |
| Structure B | 17.0 | 17.9 | 18.7 | 20.4 | |||
| 703–827 | Structure A | 18.0 | 18.9 | 19.8 | 21.6 | ||
| Structure B | 16.7 | 17.5 | 18.4 | 20.0 | |||
| 828– | 15.5 | 16.3 | 17.1 | 18.6 | |||
| Except Manual type | –702 | Structure A | 18.9 | 19.8 | 20.8 | 22.7 | |
| Structure B | 16.2 | 17.0 | 17.8 | 19.4 | |||
| 703–827 | Structure A | 16.5 | 17.3 | 18.2 | 19.8 | ||
| Structure B | 15.5 | 16.3 | 17.1 | 18.6 | |||
| 828– | 14.9 | 15.6 | 16.4 | 17.9 | |||
| Light trucks *Total weight is less than 1.7 tons |
Manual type | –1015 | 17.8 | 18.7 | 19.6 | 21.4 | |
| 1016– | 15.7 | 16.5 | 17.3 | 18.8 | |||
| Except Manual type | –1015 | 14.9 | 15.6 | 16.4 | 17.9 | ||
| 1016– | 13.8 | 14.5 | 15.2 | 16.6 |
Vehicle Noise Regulation in Japan (passenger vehicles)
| Noise near exhaust outlet standard value dB (A) | 96 |
| Acceleration noise standard value dB (A) | 76 |
| Constant speed passing noise standard value dB (A) | 72 |
Vehicle Noise Regulation in Japan (mini trucks/light trucks)
| Noise near exhaust outlet standard value dB (A) | 97 |
| Acceleration noise standard value dB (A) | 76 |
| Constant speed passing noise standard value dB (A) | 74 |
