By David Wetzel New York (Knewz) — More than half of Americans said they would make changes to their driving habits once gas prices hit $4 per gallon, which has recently happened in most U.S. states, according to a new AAA survey. Furthermore, three quarters of Americans said they would change their lifestyle if gas reached $5 per gallon, which has already happened in some Western states. Among those who said they would make changes, 80 percent said they would drive less. Eighteen to 34-year-olds are nearly three times as likely than those 35 and over to consider carpooling (29 percent vs. 11 …
