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
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