The standard is formulated for the purpose of implementing the Environmental Protection Law of the People's Republic of China and the Law of the People's Republic of China on the Prevention and Control of Environmental Noise Pollution, controlling the noise emitted by tri-wheel and low-speed vehicle and protecting the environment. As per the Safety Specifications for Motor Vehicles Operating on Roads (GB 7258-2004), the standard change the name of "tri-wheel agricultural vehicle" into "tri-wheel vehicle" and "four-wheel agricultural vehicle" into "low-speed vehicle". It stipulates the limit and measurement method for noise emitted by accelerating tri-wheel and low-speed vehicle for the model verification and production consistency checkup experiment in two implementation phases. It is applicable to the model verification and production consistency checkup of tri-wheel and low-speed vehicle.
(This English version is for your reference only.In case any discrepancy exists between the Chinese and English context, the Chinese version shall prevail.)