The United States Environmental Protection Agency(EPA or sometimes USEPA) is an agency of the U.S. federal government which was created for the purpose of protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress.Acoording to the laws of USA,all motors must be approved by EPA if they want to be sold in USA market.However,if the motor for own use,that will be ok.
For being compliant with the requirement of the environment protection, the technology of pressure-gained with normal cold temperature applied to the small-power diesel engines is popularized in force to make the emission index measure up the EuroⅡand Euro Ⅲ Emission Control Regulations. Nowadays some of our production has passed the certification of EPA in U.S.
