Euro norms and Bharat stages were given in new auto fuel policy for steadily reducing the ________ in petrol and diesel.

Give any norms for reducing sulphur and aromatic contents of petrol and diesel.

Stringent fuel norms for vehicles like Bharat stage or Euro norms aims to steadily reduce

Bhuvan and Company has invented a fuel saving instrument which can reduce the consumption of petrol and diesel if it is attached in the engine of vehicle. Suggest any two media which the company must select to advertise for this product and why.