Ultra Low Emission Vehicle
- Ultra Low Emission Vehicle
An ultra low emission vehicle is a vehicle that emits extremely low levels of air pollutants compared to other vehicles. The term may be used in a general sense, but in some jurisdictions it is defined in law; low and ultra low emission vehicles may be given tax or other advantages, while high emission vehicles may suffer restrictions or additional taxation.
In California
A ULEV or Ultra-Low Emissions Vehicle is a vehicle that has been verified by the Air Resources Board of California, USA to emit 50% less polluting emissions than the average for new cars released in that model year. The ULEV is one of a number of designations given by the CARB to signify the level of emissions that car-buyers can expect their new vehicle to produce and forms part of a whole range of designations, listed here in order of decreasing emissions:
TLEV: "Transitional Low Emission Vehicle". This is the least stringent emissions standard in California. TLEVs are phased out as of 2004.
LEV: "Low Emission Vehicle". All new cars sold in California starting in 2004 will have at least a LEV emissions rating.
SULEV: "Super Ultra Low Emission Vehicle". SULEVs are 90% cleaner than the average new model year car.
PZEV: "Partial Zero Emission Vehicle".
PZEVs meet SULEV tailpipe emission standards, have zero evaporative emissions and a 15 year / 150,000 mile warranty on its emission control components. No evaporative emissions means that they have fewer emissions while being driven than a typical gasoline car has while just sitting idle.
AT PZEV: "Advanced Technology Partial Zero Emission Vehicle".
AT PZEVs meet the PZEV requirements and have additional "ZEV-like" characteristics. A dedicated compressed natural gas vehicle, or a hybrid vehicle with engine emissions that meet the PZEV standards would be an AT PZEV.
ZEV - "Zero Emission Vehicle".
ZEVs have zero tailpipe emissions and are 98% cleaner than the average new model year vehicle. These include battery electric vehicles and hydrogen fuel cell vehicles.
ee also
*Low emission vehicle
External links
* [http://www.driveclean.ca.gov/en/gv/faq/index.asp#2 DriveClean.ca.gov]
* [http://www.arb.ca.gov/homepage.htm California Air Resources Board Homepage]
Wikimedia Foundation.
2010.
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