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The U.S. Environmental Protection Agency finalized the 2013 percentage standards for four fuel categories that are part of the Renewable Fuel Standard program established by Congress to reduce carbon climate change.

Truck drivers do not have to take a 30-minute break under federal hours-of-service rules if they meet either of the definitions of a “shorthaul” driver, the Federal Motor Carrier Safety Administration announced.

Federal regulators sent a proposal to mandate electronic logging devices on all trucks to the White House for its review, the Federal Motor Carrier Safety Administration said in an update of regulatory timelines.

The U.S. Department of Transportation’s Office of Inspector General announced it will audit the efforts the Federal Highway Administration has made to improve the safety of the nation’s bridges.

Sen. John Thune (R-S.D.) has introduced legislation that would extend until 2020 a federal statutory deadline that freight railroads install collision-avoidance technology.

President Obama has reappointed Deborah Hersman to a third term as chairman of the National Transportation Safety Board.

An index of the U.S. economy’s service sector rose in July, the Institute for Supply Management reported Monday.

The Department of Transportation has issued emergency rules to keep parked rail cars from breaking loose, following last month’s crash of untethered rail cars in Quebec that killed almost 50 people.

Transportation spending dominated much of the political crossfire in Washington last week between President Obama and House Republicans.