This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of automobile gasoline/natural gas dual-fuel engines. This standard applies to automobile gasoline/natural gas dual-fuel engines with a nominal industrial pressure of natural gas storage bottles not exceeding 20MPa.
QC/T 692-2002 history
2011QC/T 692-2011 Technical specification of gasoline/NG bi-fuel engine
2002QC/T 692-2002 Specifications for gasoline/natural gas dual-fuel engines