Tell him the importance of time and also the importance of fuel conservation for future generations
Time is more important as if we loose our time we can't get it back. Time is important for every one and we should mangexpect our time in a right manner
Tell all these to your friends and make him feel regretfull and change his mind
Hope it is helpful 
thanks can you provide me some more points i will highly obliged of you
what steps should i suggest to resolve upeer problem