Thinkstock While the July 30 gas price average is one-cent less than last month, it is 55-cents more than a year ago and crude oil prices are up $20/barrel compared to this time last year, AAA rep …

Thinkstock
While the July 30 gas price average is one-cent less than last month, it is 55-cents more than a year ago and crude oil prices are up $20/barrel compared to this time last year, AAA reported.