Question

what do we learn on opting a CNG model

Answer 1

On opting a CNG model, we learn that it is less in cost as compare to the petrol. But it has some effect on the performance of the car. But the CNG model is very friendly to the environment and the pocket. so one can opt for the CNG model. 

Answer 2

Explanation:

On opting a CNG model, we learn that it is less in cost as compare to the petrol. But it has some effect on the performance of the car. But the CNG model is very friendly to the environment and the pocket. so one can opt for the CNG model.