AIR Index is a British standardised motor vehicle emissions ranking system introduced in February 2019 by Allow Independent Road-testing (AIR). The objective of the system is to encourage the use of independent and meaningful motor vehicle NOx emissions tests to robustly inform consumers and policymakers of the real-world impact motor vehicles will have on urban air quality.
AIR Index is a British standardised motor vehicle emissions ranking system introduced in February 2019 by Allow Independent Road-testing (AIR). The objective of the system is to encourage the use of independent and meaningful motor vehicle NOx emissions tests to robustly inform consumers and policymakers of the real-world impact motor vehicles will have on urban air quality.
Source: Wikipedia "AIR Index" · CC BY-SA 4.0
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