Page 275 - The Central Motor Vehicles Rules, 1989
P. 275
RULE 115B THE CENTRAL MOTOR VEHICLES RULES, 1989 247
(b) tests for particulate matter and emission of visible pollutants (smoke)
under these rules shall be applicable for dual fuel CNG or Bio-CNG or
LNG engine or vehicle;
(c) prevailing COP procedure shall also be applicable;
(d) prevailing mass emission and OBD norms stipulated in rule 115 for
diesel mode shall also be applicable for dual fuel mode;
(e) mass emission standards for CNG or Bio-CNG or LNG dual fuel
engines or vehicles shall be same as are applicable for diesel engines
or vehicles with exception that HC shall be replaced by NMHC
(Non-Methane Hydrocarbon) on measurement basis.
(II) For CNG or Bio-CNG or LNG dual fuel or dedicated dual fuel vehicles
having GVW above 3.5 T, conversion by modification of engines of in-use
diesel vehicles,—
(a) Type approval for CNG or Bio-CNG or LNG dual fuel conversion by
modification of engines of in-use diesel vehicles shall be given for
specific make and model of vehicle and shall meet applicable type
approval norms of diesel vehicles corresponding to the year of
manufacture of such diesel vehicle(s);
(b) CNG or Bio-CNG or LNG dual fuel kit approved on the vehicle for
specific engine capacity can be installed on the base model and its
variant fitted with the same capacity engine;
(c) vehicles offered for type approval to the testing agency referred to in
rule 126 of the Central Motor Vehicles Rules, 1989 shall have to comply
with the fitness requirement, as applicable under these rules;
(d) prevailing and applicable tests for particulate matter and emission of
visible pollutants (smoke) provided under rule 115 shall be applicable
for dual fuel CNG or Bio-CNG or LNG engine or vehicle;
(e) separate type approval is required for mechanically controlled and
electronically controlled diesel fuel injected vehicles when modified
for dual fuel CNG or Bio-CNG or LNG operation;
(f) mass emission standards for CNG or Bio-CNG or LNG dual fuel
engines or vehicles shall be same as are applicable for diesel
engines/vehicles with exception that HC shall be replaced by NMHC
(Non-Methane Hydrocarbon) on measurement basis.
Explanation : In the case of OE or conversion of “In-Use” vehicles by modification,—
(a) for the purpose of granting type approval to the vehicle fitted with dual fuel
CNG or Bio-CNG or LNG engine (converted from diesel engine) as O.E., or
conversion by modification of “In-use” diesel vehicles, performance tests
shall be carried as per Table given below by the test agencies, namely:—
TABLE
Sl. No. Test Reference Document
(1) (2) (3)
1. Mass emission tests for dual fuel MoRTH/CMVR/TAP-115/116 and
CNG/Bio-CNG/LNG vehicles shall be notifications issued by Government of
as per prevailing norms, as applicable India in this respect
for diesel vehicles