Page 240 - The Central Motor Vehicles Rules, 1989

212 THE CENTRAL MOTOR VEHICLES RULES, 1989 RULE 115

Notes:
(1) Gasoline/CNG/LPG vehicles specified herein shall comply with the
provisions of clause (i) of sub-rule (2) of rule 115.
(2) The Reference Gasoline fuel (E5) shall be as specified in Annexure IV-X.
(3) Reference natural gas fuel used in Natural Gas or Bio-Methane mono-fuel
or bi-fuel vehicles shall be as per Annexure IV-L (G20, G23 and G25).
(4) Reference LPG fuel used in LPG mono-fuel or bi-fuel vehicles shall be as
per Annexure IV-M (Fuel A and Fuel B). However, in case of
non-availability of reference fuels for CNG/LPG, the commercially
available CNG as per BIS 15958:2012 and LPG as per BIS 14861:2000 as
amended from time to time shall be used for the purpose of Type Approval
and Conformity of Production. The reference fuel Biogas (Bio-methane)
shall be as per IS 16087:2013 and as amended time to time.
(5) The provision clause (a) sub-clause (i) of clause (c), clause (e) and clause (f)
of sub-rule (12) or clauses (a), (c)(i), (e) and (f) for sub-rule (12) of rule 115,
except the proviso therein, shall be applicable to the said vehicle.
(6) The driving cycle for Vehicles with cc < 50 and Vmax < 50 km/hr shall be
Indian Driving Cycle (IDC) and the exhaust gas sampling shall start at the
initiation of cycle in case of gasoline two wheeler vehicles.
(7) The engine power shall be measured on engine dynamometer and the
measured power shall conform to the power specified and tested as per
procedure prescribed in AIS 137 and as amended time to time.
(20) The Emission Standards Bharat Stage VI (BS VI) for Three wheelers vehicle
models manufactured on or after 1st April, 2020 shall be as under:—
1
[TABLE 1
THREE WHEELERS FITTED WITH PI AND CI ENGINES: BS VI
Vehicle with PI engines
(1)
CO HC+NOx NOx PM EVAP OBD Durability Test Cycle
mg/km mg/km mg/km mg/km mg/test mileage (Cold
(km) Start at
Type V T=0 sec)
Limit 440 435 130 25 1500 Stage II 35000 IDC
AIS137
D.F. 1.2 1.2 1.2 1.2 — — —
(1)
PM limit in case of PI engines shall be applicable only to vehicles with Direct Injection
engines and shall be aplicable from 1st April, 2023.

Vehicle with CI engines +
CO HC+NOx NOx mg/km PM mg/km OBD Durability Test Cycle
mg/km mg/km mileage (Cold Start
(km) at T=0 sec)
Type V
Limit 220 200 160 25 Stage II 35000 IDC AIS
137]
D.F. 1.1 1.1 1.0 1.2 — —

1 Substituted vide GSR 809(E), dt. 9-11-2022, w.e.f. 10-11-2022.