As credit for auto loans has also become more available, the time to make a change may be here ??? or when gas prices hit $6.51 per gallon.???There are a lot of reasons the new car market is doing so well right now,??? Bragman said.Why gas prices are so highSourcesAOL AutosMinyanvilleNBC 25 KNDU: <a href="http://www.kndo.com/story/17316601/drivers-fed-up-with-higher-gas-pricesU.S.">http://www.kndo.com/story/17316601/drivers-fed-up-with-higher-gas-pricesU.S.</a> Energy Information Admini