Emissions Classifications

2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Emissions Classifications


Emissions Classifications







The above figure shows the relationship between the different emissions classifications.
- Tier 1 (the applicable obligatory requirements, both federal and in California)
- TLEV (Transitional Low Emission Vehicle)
- LEV (Low Emission Vehicle)
- ULEV (Ultra Low Emission Vehicle)
- LEV II (Low Emission Vehicle, stage 2)
- ULEV II (Ultra Low Emission Vehicle, stage 2)
- SULEV (Super Ultra Low Emission Vehicle)
- NOx g/mile (nitrous oxides)
- CO g/mile (carbon monoxide)
- NMOG g/mile (Non-Methane Organic Gases). These are the basis of smog. In principle NMOG are hydro-carbons
- "A" symbolizes the optimal target of the car when it leaves the factory.
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  • β€’ You are not confident in the next step or safety outcome.