What is the emission standard for National V?
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National V refers to China's fifth-stage emission standard, where 'V' is the Roman numeral for five. The National Fifth Stage Motor Vehicle Pollutant Emission Standard, abbreviated as the 'National V Standard', has an emission control level equivalent to Europe's currently implemented Euro 5 emission standard. The National V emission standard was implemented nationwide starting from January 1, 2017. The specific regulations of the National V emission standard are as follows: 1. Carbon monoxide emission standard: Carbon monoxide emissions per kilometer driven must not exceed 1000 milligrams. 2. Non-methane hydrocarbon emission standard: Non-methane hydrocarbon emissions per kilometer driven must not exceed 68 milligrams. 3. Nitrogen oxides emission standard: Nitrogen oxides emissions per kilometer driven must not exceed 60 milligrams. 4. PM particulate matter emission standard: PM particulate matter emissions per kilometer driven must not exceed 4.5 milligrams.