GB 30510-2024 on fuel consumption limits for heavy duty vehicles

This standard specifies the fuel consumption limits for heavy-duty vehicles (commercial vehicles burning gasoline and diesel with a gross vehicle weight greater than 3500 kg, including trucks, semitrailer towing vehicles, passenger cars, dump trucks, and city buses).  

Stage IV National Standard increases the stringency by 12 to 16% compared to phase III. It also switchs test cycle from C-WTVC to CHTC. 

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