Stating that cars contribute only 2 per cent to the overall pollution, Maruti Suzuki Chairman R C Bhargava said it will be a challenge to upgrade technologies to meet BS VI norms in just four years and prices could go up by anywhere between Rs 20,000 to Rs 2 lakh depending on the vehicles.
He further said: "While we all should be concerned about air pollution, by concentrating 90 per cent of our energy on source that is responsible for only 2 per cent of pollution, are we addressing the real issue?"
Automobile manufacturers will have to work with engine control unit (ECU) and fuel injection systems makers to upgrade to meet the new requirements of particulate matter and NOx emissions simultaneously, he said.
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Expressing similar views, PriceWaterhouse Partner and auto expert Abdul Majeed said: "The car price increase due to shift from BS IV to BS VI will not be too much in case of petrol vehicles. The increase will be anyway between Rs 10,000-20,000. For diesel cars it will be in the range of Rs 80,000-1,20,000 and for trucks it will be Rs 1.5 to 2 lakh."
In a bid to curb vehicular pollution, the government has decided to implement stricter emission norms of Bharat Stage (BS) VI from April 1, 2020 by skipping BS-V altogether.
At present, BS IV norms are followed in parts of India and by April 1, 2017, the whole of the country is scheduled to be covered under it.
Currently, BS-IV auto fuels are being supplied in whole of northern India covering J&K, Punjab, Haryana, Himachal Pradesh, Uttarakhand, Delhi, parts of Rajasthan and western UP. The rest of the country has BS-III grade fuel.