Imagine if oil supplies get exhausted, how will this affect our lifestyle?

If oil supplies get exhausted then our lifestyle will be severely affected in the manner given below
(i) We will go to school / office / home by walking or on a bicycle or by a battery operated vehicle.
(ii) Transportation of materials and goods will be done by bullock carts, horse carts or battery operated trucks whose batteries are charged by solar energy.
(iii) All work will slow down to the pace which was common in the 18th and lfjfh centuries.