Online Training & Materials GB 17691-2018: Limits and measurement methods for emissions from diesel fueled heavy-duty vehicles (CHINA VI) Share SHARE Facebook share Twitter LinkedIn Copy URL Email Download Download GB17691-2018 en Added on: 02 March, 2026 Breadcrumb Home Resource Library GB 17691-2018: Limits and Measurement Methods For Emissions From Diesel Fueled Heavy-duty Vehicles (CHINA VI) This resource links to GB 17691-2018, a Chinese national standard describing emissions limits and measurement methods for diesel-fueled heavy-duty vehicles (China VI).It can support planning and design work by providing a concrete regulatory benchmark for heavy-duty vehicle emissions control and test-method requirements.