Page 249 - The Central Motor Vehicles Rules, 1989

RULE 115 THE CENTRAL MOTOR VEHICLES RULES, 1989 221

non-availability of reference fuels for CNG/LPG, the commercially
available CNG as per IS 15958:2012 and LPG as per IS 14861:2000 as
amended from time to time shall be used for the purpose of Type
Approval and Conformity of Production.
f. Hydrogen Fuel vehicles shall be tested with reference fuel specified in
the Annexure IV-W.
g. The reference fuel Biogas (Bio-methane) shall be as per IS 16087:2013
and as amended from time to time.
1
[h. The reference fuel (E100) shall be as specified in Annexure IV-SA.
i. The reference ethanol fuel (E20) shall be as per IS 17021:2018.
j. The reference for Hydrogen Compressed Natural Gas (HCNG) shall
be as per IS 17314:2019.]
8. Specifications of Commercial Fuels shall be as under:—
(a) The Commercial Gasoline fuel shall be as per Annexure IV-U.
(b) Specification for commercial CNG and commercial LPG shall be in
accordance with IS 15958:2012 and as per IS 14861:2000 respectively
and as amended from time to time.
(c) Bio-diesel used in commercial Diesel shall be as per IS 15607 as
amended from time to time.
(d) Specification for Commercial Diesel fuel shall be as per Annexure
IV-V.
(e) Specifications for commercial E85 shall be as specified in accordance
with the Indian Standards as amended from time to time.
(f) Specification of commercial Biogas (Bio-methane) shall be as per IS
16087:2013 and as amended from time to time.
1
[(g) Specification for commercial ethanol fuel (E20) shall be as per IS
17021:2018.
(h) Specification for commercial Hydrogen Enriched Compressed
Natural Gas (HCNG) shall be as per IS 17314:2019.]
9. Crank case ventilation shall not permit the emission of any of the crank case
gases into the atmosphere. The test procedure shall be as per AIS 137 as
amended from time to time.
10. The engine power shall be measured on engine dynamometer and the
measured power shall conform to the power specified, when tested as per
procedure prescribed in AIS 137 as amended from time to time.
11. CO2 emission and fuel consumption shall be measured as per procedure
laid down in AIS 137 as amended from time to time.
12. The vehicle presented for type approval shall have been run for at least
1000 km before the test.
13. The vehicles shall be equipped with On Board Diagnostic (OBD) systems
for emission control which shall have the capability of identifying the likely
area of malfunction by means of fault codes stored in computer memory as
per the procedure laid down in AIS 137 as amended from time to time.

1 Inserted vide GSR 156(E), dt. 8-3-2021, w.e.f. 8-3-2021.