Ultra-low-emission vehicle

An ultra-low-emission vehicle (ULEV) is a motor vehicle that emits extremely low levels of motor vehicle emissions compared to other vehicles. In some jurisdictions it is defined in law; low and ultra low emission vehicles may be given tax or other advantages,^[1] while high emission vehicles may suffer restrictions or additional taxation.^[2]

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California defines a ULEV as a vehicle that has been verified by the California Air Resources Board (CARB), United States to emit 50% less polluting emissions than the average for new cars released in that model year. Under LEV II regulations, the Tier I and TLEV classifications were removed for 2004. 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): The least stringent emissions standard in California. California phased-out TLEVs in 2004.

LEV (low-emission vehicle): The minimum standard for all new cars sold in California as of 2004.

ULEV (ultra-low-emission vehicle)

SULEV (super-ultra-low-emission vehicle): SULEV emissions are 90% cleaner than the average new model year car.

PZEV (partial-zero-emission vehicle): A PZEV meets SULEV tailpipe emission standards, but has no evaporative emissions (i.e., no unburned fuel leaves the fuel system). A PZEV has a 15-year / 150,000-mile warranty on its emission control components.

AT PZEV (advanced technology partial-zero-emission vehicle): An AT PZEV meets the PZEV requirements but also meets some of the necessary conditions of a ZEV. AT PZEV include dedicated compressed natural gas vehicles and hybrid vehicles with engine emissions that meet PZEV standards.

ZEV (zero-emissions vehicle): A ZEV has no tailpipe emissions. These include battery electric vehicles and hydrogen vehicles (fuel cell vehicles).

You can help expand this article with text translated from the corresponding article in Japanese. (October 2011) Click [show] for important translation instructions.

View a machine-translated version of the Japanese article.
Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
Consider adding a topic to this template: there are already 1,207 articles in the main category, and specifying|topic= will aid in categorization.
Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing Japanese Wikipedia article at [[:ja:低公害車]]; see its history for attribution.
You may also add the template {{Translated|ja|低公害車}} to the talk page.
For more guidance, see Wikipedia:Translation.

The topic of this article may not meet Wikipedia's general notability guideline. (November 2022)

TLEV (transitional low-emission vehicle): The least stringent emissions standard in California. California phased-out TLEVs in 2004.

LEV (low-emission vehicle): The minimum standard for all new cars sold in California as of 2004.

ULEV (ultra-low-emission vehicle)

SULEV (super-ultra-low-emission vehicle): SULEV emissions are 90% cleaner than the average new model year car.

PZEV (partial-zero-emission vehicle): A PZEV meets SULEV tailpipe emission standards, but has no evaporative emissions (i.e., no unburned fuel leaves the fuel system). A PZEV has a 15-year / 150,000-mile warranty on its emission control components.

AT PZEV (advanced technology partial-zero-emission vehicle): An AT PZEV meets the PZEV requirements but also meets some of the necessary conditions of a ZEV. AT PZEV include dedicated compressed natural gas vehicles and hybrid vehicles with engine emissions that meet PZEV standards.

ZEV (zero-emissions vehicle): A ZEV has no tailpipe emissions. These include battery electric vehicles and hydrogen vehicles (fuel cell vehicles).

Ultra-low-emission vehicle

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Ultra-low-emission vehicle

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In California

See also

External links