I think they should change the driving age to 18 because between the years of 1995-2004 there were 30,000 car crashes involving 15-17 year old. by raising the driving age to 18 they would have more responsibility which would then cause less crashes. According to Answers.com

I think they should change the driving age to 18 because doing this it would decrease the amount of cars on the road which would put less oxidants in the air which would help improve the environment according to EHOW.com