Since March, the national average for gas prices has hovered around $4 per gallon.
As anyone with a gas-guzzling car will tell you, this is especially tough to swallow at a time when other everyday costs are also increasing. Filling up a Ford F-150, the most popular car in America, now costs almost $100 for a standard-size tank — or nearly $150 if one has the optional 36-gallon tank.