"Current nationwide standards:
- Diesel: China IV (GB 19147-2013; 50ppm sulfur content)
- Gasoline: China IV (GB 17930-2011; 50ppm sulfur content)"
"Future nationwide standards:
- China V diesel (GB 19147-2013) and gasoline (GB 17930-2013) standards to be implemented by 1 Jan 2017. Both mandate maximum sulfur content of 10 ppm.
- Off-road diesel ("general diesel"): 50ppm available nationwide by 7 Jul 2017; 10ppm available nationwide by 1 Jan 2018." (http://transportpolicy.net/index.php?title=China:_Fuels:_Diesel_and_Gasoline)