What is the Emission Standard Limit in Tianjin?
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Tianjin prohibits the operation of medium and heavy-duty diesel commercial vehicles with National III and below emission standards, and implements the National VI emission standard. Requirements of National VI Emission Standard: The carbon monoxide emissions of gasoline vehicles under the National VI emission standard are reduced by 50%, the limits for total hydrocarbons and non-methane hydrocarbons are lowered by 50%, and the nitrogen oxide emission limit is tightened by 42%. Basic Introduction to National VI Emission Standard: Fully named as the National Sixth Stage Emission Standard for Motor Vehicle Pollutants, it specifically refers to the standard formulated to implement the "Environmental Protection Law of the People's Republic of China" and the "Air Pollution Prevention and Control Law of the People's Republic of China", aiming to prevent pollution from the exhaust of compression-ignition and gas-fueled ignition engine vehicles, protect the ecological environment, and safeguard human health.