Petrol and diesel are derived from …………………. Fuels.

Petrol and diesel prices will be revised on …………………

All automobilies and fuel -petrol and diesel were to have met the Euro III emission specification in some cities from 1 April 2005 and have to meet the Euro-IV norms by.

Explain the following: Petrol, diesel, coal are fossil fuels.

Recently, it has been made compulsory in India and some other countries to mix 10% ethanol with fuels like petrol and diesel. What is the reason for this?