Americans are driving fewer miles this year than last year - and that means the Highway Trust Fund, fueled by the gasoline tax, took in billions of fewer dollars in Fiscal Year 2008. We drove 90 billion miles less in a period of 11 months in FY08 compared to the year before, reported the U.S. Department of Transportation last week. ...

  Spiraling gas prices have driven Americans away from their automobiles. Fewer of us were driving for the past seven consecutive months. The third largest monthly decline occurred in May when Americans drove 3.7 percent less  in total miles than a year ago. While less driving reduces road congestion and cuts down on one's carbon ...