Actual exhaust emission levels

In December 2022, the Ministry of Ecology and Environment (MEE) published the China mobile source environmental management annual report (2022). This report shows the country’s four major pollutant emissions from non-road machinery in 2021, sulfur dioxide (SO2), hydrocarbon (HC), nitrogen oxide (NOx) and particulate matter (PM). Non-road machinery emission sectors can be divided into five: agricultural, construction, vessels, trains and aircraft.

In recent years, the Chinese government has focused on the transformation of on-road vehicle emission standards and improving the country’s air pollution emission control scheme. Consequently, emissions from non-road machinery are gradually becoming more prominent in the country.

In 2021, the non-road machinery sector