Discuss Euro III norms.

Explanation

New auto fuel policy has laid out a road map to cut down vehicular pollution in Indian cities by the Government of India.
Strict rules for reducing use of sulphur and aromatic content in petrol and diesel fuels.
Euro II stipulate that sulphur can be controlled at 350 parts per million (ppm) in diesel and 150 ppm in petrol.
Aromatic hydrocarbons are to be contained at 42 per cent of the concerned fuel.