The requirements for the U.S. Department of Transportation's Mexican Truck Demonstration Project have been met, and some 37 Mexican trucking companies have been approved to run their long-haul rigs through the U.S. starting as early as Sept. 1, according to a Mexican government report. In the United States, the inspector general of the Federal Motor Carrier Safety Administration on Aug. 6 issued to the House and Senate Appropriations Committee an audit about implementing NAFTA's cross-border trucking provisions, the last hurdle DOT faced before allowing the Mexican truck demonstration project to begin. As required by Congress, the report was withheld from...