What does sulev mean?
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Super ultra-low emission vehicle (SULEV) is a U.S. classification for passenger vehicle emissions. The classification is based on producing 90% less emissions than an equivalent gasoline- powered vehicle.[1] SULEV is a stricter standard than LEV (Low Emission Vehicle) and ULEV (Ultra-Low Emission Vehicle), however not as strict as PZEV (Partial Zero Emission Vehicle)
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