The federal government is looking beyond fuel taxes for new sources of highway funding. (CNSNews.com) - A new Congressional Budget Office study says taxing motorists based on the number of miles they drive would be a fair and "efficient" way to charge motorists for the real cost of using the nation's highways. "Vehicle-miles traveled" taxes (or VMT taxes) also would provide a strong incentive for people to drive less. Transportation Secretary Ray LaHood floated the idea of a VMT tax one month after President Obama took office, but Obama’s spokesman immediately shot it down. "It is not and will not...