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The Low Emission Zones (Emission Standards, Exemptions and Enforcement) (Scotland) Regulations 2021
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Regulation 2(1)(b)
SCHEDULE 2Euro Standards for Positive Ignition Engine Vehicles
This schedule has no associated Policy Notes
In this schedule vehicle categories M1 to M3 include ambulances, hearses and motor caravans.
Table 1
Euro 4 standards for positive ignition engine vehicles
| Vehicle category | Reference mass of vehicle, where relevant (kg) | Maximum mass of vehicle, where relevant (kg) | Limit values for CO (g/km) | Limit values for NOx (g/km) | Limit values for HC (g/km) | Appropriate Test |
|---|---|---|---|---|---|---|
| category M1 | not exceeding 2500 | 1 | 0.08 | 0.1 | Type I | |
| category M1 | not exceeding 1305 | exceeding 2500 | 1 | 0.08 | 0.1 | Type I |
| category M1 | exceeding 1305 and not exceeding 1760 | exceeding 2500 | 1.81 | 0.1 | 0.13 | Type I |
| category M1 | exceeding 1760 | exceeding 2500 | 2.27 | 0.11 | 0.16 | Type I |
| category M2 | not exceeding 2500 | 1 | 0.08 | 0.1 | Type I | |
| category M2 | exceeding 1305 and not exceeding 1760 | exceeding 2500 and not exceeding 3500 | 1.81 | 0.1 | 0.13 | Type I |
| category M2 | exceeding 1760 | exceeding 2500 and not exceeding 3500 | 2.27 | 0.16 | 0.11 | Type I |
| category M2 | not exceeding 2840 | exceeding 3500 | 2.27 | 0.16 | 0.11 | Type I |
| category N1 sub-class (i) | not exceeding 1305 | 1 | 0.08 | 0.1 | Type I | |
| category N1 sub-class (ii) | exceeding 1305 and not exceeding 1760 | 1.81 | 0.1 | 0.13 | Type I | |
| category N1 sub-class (iii) | exceeding 1760 | 2.27 | 0.11 | 0.16 | Type I | |
| category N2 | not exceeding 2840 | 2.27 | 0.11 | 0.16 | Type I |
Table 2
Euro IV standards for positive ignition engine vehicles
| Vehicle category | Reference mass of vehicle, where relevant (kg) | Limit values for CO (g/kWh) | Limit values for HC (g/kWh) | Limit values for NOx (g/kWh) | Limit values for PM (g/kWh) | Limit values for NMHC (g/kWh) | Limit values for CH4 (g/kWh) | Limit values for smoke(m-1) | Appropriate Test |
|---|---|---|---|---|---|---|---|---|---|
| category M3 | exceeding 2610 | 1.5 | 0.46 | 3.5 | 0.02 | 0.5 | ESC and ELR | ||
| category M3 | exceeding 2610 | 4.0 | 3.5 | 0.55 | 1.1 | ETC | |||
| category N3 | exceeding 2610 | 1.5 | 0.46 | 3.5 | 0.02 | 0.5 | ESC and ELR | ||
| category N3 | exceeding 2610 | 4.0 | 3.5 | 0.55 | 1.1 | ETC |
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