Why fossil fuels are fully exhausted? Share with your friends Share 0 Gulshan Chhabra answered this Fossil fuels are full exhaustable in nature because they are limited and cannot be produced easily it takes millions to form again in nature . 5 View Full Answer Jai Agarwal answered this Than petrol and coal woll exhausted 0 Gulshan Chhabra answered this Fossil fuels are fully exhaustable in nature because they are limited and can not be made easily . 1