Indian Exhaust Emission Standards
Emission standards are requirements that set specific limits for the amount of pollutants that can be released into the environment.
The implementation schedule of emission standards
 | 3-Wheelers (BS II to BS III)
|
 | 4-Wheelers < 3.5t (BS III to BS IV)
- National Capital Region (Delhi) and 12 mega cities since 2010
- Nationwide likely 2014/2015
|
 | Trucks and Buses (BS III to BS IV)
(LCV and HCV > 3.5t)
- National Capital Region (Delhi) and 12 mega cities since 2010
- Nationwide likely 2014/2015
|
BS = Bharat stage
Indian emissions legislation requires as of April 2010 the installation of exhaust-gas aftertreatment systems in motor vehicles in use in the National Capital Region (Delhi) and 12 mega cities, with the same restrictions being applied nationwide as likely 2014/2015. This will affect all 3- and 4-wheelers as well as trucks and buses.
India
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