Salient features of the article
What – Emission standards norms instituted by the government to regulate the output of air pollutants from internal combustion engines.
– based upon Euro norms
History – India has introduced first emission norms in 1991. Higher emission norms was gradually introduced as-
YEAR METRO CITIES OTHER CITIES
2000 BS II BS I
2005 BS III (13 Cities) BS II
2010 BS IV (13 Cities) BS III
Now it had been decided to implement BS VI from 1 April 2020 by surpassing BS V.
It could have both positive and negative implications. Such as
- *On Public Health
(Why – automobile exhaust are the main source of pollutants such as Fine particulate matters, SO2. NO, CO. so it can cause premature death , asthma and other respiratory diseases)
- *On reducing Air pollution
- *On fuel producer
- *On automobile industry
But there are several challenges in implementing BS VI
- *Ability of oil marketing companies to quickly upgrade fuel quality.
- *Auto Industry – Need time to upgrade design (DPF & SCR)
- *Problem of slow speed , so required temperature could not be obtained to burn sooth inside the engine
- *Fuel containing more sulphur – cheaper (periphery of Big cities)
- *Production of high quality fuel is not in required quantity. (High sulphar content also effects catalytic converter
- *DPF have to optimized for Indian condition.
- *Validation tests – time needed
- *Same hindrance as was with BS IV
- *BS IV could not be implemented properly because:-
Non Improved air quality is due to–
- *Faulty Monitoring of Diesel & commercial vehicle
- *Heavy traffic – slow speed – more pollution
- *Unpaved road filled with dust particle.
- *Faulty urban development policy – unmanaged transportation system and shortage of public transportation system.
Sumitra Chaudhri Committee on Auto fuel vision and policy 2025
- *Recommended levies for transition into low sulphur fuel.
IIT Delhi Study – Best result when:-
- *Raising the fuel standard
- *Policy initiatives to influence Passenger behavior
Differences between BS V and BS VI
*In both cases one needs more time (at least 6-7 years) and money.
*Need other policy initiative in partnership with state govt.
*Technology must be introduced in series.