QC/T 1151-2021Technical specifications for methanol fuel vehicles (English PDF)

3.3 Methanol substitution rate (MSR)

For diesel/methanol dual-fuel vehicles, under the test conditions specified in QC/T 1130, the mass percentage of diesel consumption in pure diesel mode minus diesel consumption in dual-fuel mode TO the diesel consumption in pure diesel mode.

4.1 General requirements

4.1.1 Methanol fuel vehicles (hereinafter referred to as methanol vehicles) shall comply with relevant national mandatory standards.

4.1.2 All parts, which are in contact with methanol fuel or its combustion products, shall be subject to treatment of corrosion protection.

4.1.3 The auxiliary fuel tank volume of the categories M1, M2, N1, N2 methanol mono-fuel vehicles is not more than 15L. The auxiliary fuel tank volume of categories M3 and N3 methanol mono-fuel vehicles is not more than 100L.

4.1.4 For methanol vehicles, a special marking for methanol vehicles shall be affixed to a conspicuous position on the front of the vehicle. The marking shall comply with the provisions of Appendix A.

4.1.5 The methanol fuel engine, which is equipped on methanol vehicles, shall meet the requirements of QC/T 1146. The equipped diesel/methanol dual-fuel engine shall meet the requirements of QC/T 1145.

4.1.6 Methanol vehicles shall use special lubricants for methanol engines.

4.1.7 Methanol automobile fuel shall meet the following requirements:

a) M100 automobile methanol fuel, which is used in methanol vehicles, shall comply with relevant national standards;

b) The auxiliary fuel gasoline, which is used in methanol mono-fuel vehicles, shall meet the requirements of GB 17930;

c) The diesel, which is used in diesel/methanol dual-fuel vehicles, shall meet the requirements of GB 19147.

4.1.8 When the remaining fuel (including gasoline, diesel, methanol) of the methanol vehicle is lower than the set value, it shall issue an alarm to the driver.

4.1.9 For methanol vehicles, it is not allowed to manually switch the fuel status. Meanwhile, the fuel status of the entire vehicle shall be able to be read, through the OBD scanning tool. The fuel type signal shall comply with the requirements of ISO 15031-5.

4.2 Pollutant discharge requirements

4.2.1 Emissions of methanol vehicles, which have a capacity of not more than 3500 kg, shall meet the requirements of GB 18352.6. The emissions of methanol vehicles, which have a capacity of more than 3500 kg, shall meet the requirements of GB 17691.

4.2.2 The emissions of formaldehyde and unburned methanol from methanol vehicles shall comply with relevant national standards.

4.3 Performance requirements of methanol fuel system

4.3.1 The methanol tank, methanol pump, methanol pipeline and other parts, in the methanol fuel system device shall be installed far away from heat sources, such as the supercharger in the exhaust system, exhaust pipeline, after-treatment device, etc. If necessary, provide thermal insulation device.

4.3.2 The methanol fuel system shall meet the following requirements:

a) The methanol fuel supply device shall be equipped with a methanol evaporation control device;

b) The gasoline fuel system shall be equipped with gasoline evaporation control device;

c) Methanol fuel pipelines shall be distinguished from other fuel pipelines by marking;

d) There shall be a clear reminder mark of the fuel type, at the methanol fuel filling port;

e) For the other parts and components on the methanol vehicles, than methanol vehicle fuel supply devices, that may come into contact with methanol fuel, due to methanol fuel refueling, maintenance, repairs, other reasons, it shall consider the methanol resistance of the parts.

7.1 Signs

The sign of the methanol vehicle shall comply with the relevant requirements of GB 7258. The type of fuel used shall be marked on the vehicle nameplate. Fill in methanol for mono-fuel methanol vehicles; fill in diesel/methanol for diesel/methanol dual-fuel vehicles.

7.2 Label

The methanol automobile's product certificate shall meet the requirements of GB/T 21085.

7.3 Instructions for use

In addition to complying with the provisions of GB 7258, the methanol vehicle's instruction for use shall also include the following content on methanol vehicles:

a) Use (including the types of fuel and lubricating oil);

b) Maintenance;

c) The structure of the main assembly AND its inspection and adjustment;

d) Electrical equipment;

e) Common faults and troubleshooting methods;

f) Warning signs;

g) Methanol substitution rate (only applicable to diesel/methanol dual-fuel vehicles);

h) Product's implemented standard number.