Page 190 - The Central Motor Vehicles Rules, 1989

162 THE CENTRAL MOTOR VEHICLES RULES, 1989 RULE 115

(b) The tests shall be carried out on the engine dynamometer operation as
specified in Annexure IV-A of the rules.
(c) The reference fuel shall be of a maximum of 0.05% mass sulphur content.
2. Commercial fuel for meeting above norms shall be up to 0.05% mass maximum
sulphur content.
3. For Diesel engined vehicles, the emission of visible pollutants (smoke) shall not
exceed the limit value to smoke density, when expressed as light absorption coefficient
for various nominal flows as in Annexure-I to sub-rule (9) of rule 115 when tested at
constant speeds over full load. These smoke limits are without correction factor and
engines are to be tested with conditioned air supplied to the engine to maintain
atmospheric factor of 0.98 to 1.02.
4. For Diesel engined vehicles, the free acceleration smoke for naturally aspirated
and turbo-charged engines shall not exceed the smoke density limit value as in clause
(c) of sub-rule (2) of rule 115.]
1
[(12) Mass emission standards (Bharat Stage-II) for two-wheeler and
three-wheeler manufactured on and from 1st April, 2005 shall be as follows, namely:
TABLE
Vehicle Category Pollutants TA=COP norms g/km TA=COP D.F.
(*)
(1) (2) (3) (4)
CO 1.50 1.2
Two-wheeler (Petrol) HC + NOx 1.50 1.2
CO 2.25 1.2
Three-wheeler (Petrol) HC+NOx 2.00 1.2
CO 1.00 1.1
Two-wheeler and three-wheeler HC+NOx 0.85 1.0
(Diesel)
PM 0.10 1.2
* Deterioration Factor, see para (C) below:
(a) The test shall be as per the Indian Driving Cycle with cold start on chassis
dynamometer as specified in the Table given below by testing agencies,
namely:—
TABLE

Test Cell Conditions Petrol two-wheeler and three- Diesel two-wheeler and three-
wheeler wheeler

(1) (2) (3)

Soak Temperature 20-30˚C 20-30˚C

1 Inserted vide GSR 720(E), dt. 10-9-2003, w.e.f. 10-10-2003.