State two precautions that should be taken in using fossil fuel to avert the energy crisis?

Precautions should be taken in using fossil fuels to avoid the energy crisis:

1- The use of fossil fuels should be reduced so that the carbon dioxide emission from the activities is also reduced.

2- Highly efficient machines and Gadgets must be used so that the carbon dioxide emission is also reduced.

3- When not in use the appliance should be switched off.

These are the two precautions that should be taken in using fossil fuels to avoid the energy crisis.