Page 265 - The Central Motor Vehicles Rules, 1989

RULE 115AB THE CENTRAL MOTOR VEHICLES RULES, 1989 237

(6) The type approval certificate of CNG or Bio-CNG or LNG dual fuel kit for retro-
fitment shall be valid for three years from the date of the issue of type approval certificate
and shall be renewable for three years at a time.]
1

[115AB. Mass emission standards for CNG, Bio-CNG, LNG driven agriculture
tractors, power tillers, construction equipment vehicles and combine harvesters
(I) For conversion by modification of engines of In-use Diesel Vehicle 115AB
(a) In case of agriculture tractors, power tillers, construction equipment
vehicles and combine harvesters, Type approval for diesel engine retrofitted
for dedicated CNG/ Bio-CNG/LNG operation shall be given for specific
make and model of the vehicle, and shall be approved as per the prevailing
mass emission standards applicable for diesel engines of agriculture
tractors, power tillers, construction equipment vehicles and combine
harvesters, with the exception that the HC (Hydrocarbon) shall be replaced
by NMHC (Non-Methane Hydrocarbon) on measurement basis, as detailed
in rule 115AA;
(b) Test for particulate matter and emission of visible pollutants (smoke) under
these rules shall not be applicable;
(c) CNG/Bio-CNG/LNG kit approved on the vehicle for specific engine
capacity can be installed on specific make and model of vehicle and its
variants fitted with the same capacity engine;
(d) The CNG/Bio-CNG/LNG composition used for carrying out emissions
shall meet the fuel specifications as notified by the Central Government
from time to time;
(e) Separate type approval is required for mechanically controlled and
electronically controlled diesel Fuel injected vehicles when retrofitted for
CNG /Bio-CNG/LNG operation;
(f) For retrofitment on “in-use” vehicles, the responsibility of the Type
Approval and COP shall be that of the kit manufacturer or supplier.
Prevailing COP procedure will also be applicable;
(g) The type approval certificate of CNG or Bio-CNG or LNG for replacement
engine shall be valid for three years from the date of the issue of type
approval certificate and shall be renewable for three years at a time;
(h) For the purpose of granting type approval to the agriculture tractor, power
tiller, construction equipment vehicle/combine harvester fitted with
CNG/Bio-CNG/LNG engine (converted from Diesel engine) as O.E. or
retrofitment of In-use diesel vehicle, following performance Tests shall be
carried out as per the table given below by the test agencies, namely:—
Test Reference Document (as amended from time to time)
(1) (2)
(i) Mass emission test MoRTH/CMVR/TAP-115/116 and notifications issued
by the Government of India in this respect from time to
time

1 Inserted vide GSR 336(E), dt. 4-5-2021, w.e.f. 19-5-2021.