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WA state is considering the nation's first fee on electric cars to cover road wear since they pay no gas tax, the primary funding mechanism for funding road maintenance and construction. However, critics point out that the fee is flat, not variable.

Where will Americans live? Everywhere. The third article in a three-part series based on Joel Kotkin's new book, "The Next Hundred Million: America in 2050," looks at where Americans will live and how our communities will grow to accommodate them.

Photos taken in 2003 of the doomed Minneapolis bridge revealed warped gusset plates believed to have been a key point of failure in the 2007 collapse that killed 13 people.

In its new report released to Congress, the National Surface Transportation and Revenue Study Commission advocates hundreds of billions in annual infrastructure expenditures, and a significant hike in the gas tax.