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For the first time since September 2010, the national retail average price for a gallon of diesel fuel is below $3 a gallon, which means trucking executives are both spending less money and pulling in less revenue as fuel surcharge receipts dwindle.

WASHINGTON — Rep. Bill Shuster (R-Pa.), chairman of the transportation policy committee in the House, said there is not enough congressional support to approve an increase of fuel taxes to pay for infrastructure projects vital to the trucking industry.

WASHINGTON — Environmental officials from California and the East Coast said during a Transportation Research Board panel here that trucks still require special attention because of diesel emissions, even though such output became much cleaner from 1998 to 2010.

The possibility of more Mexican trucks running in the United States is still up in the air after a recent report by the Department of Transportation’s Inspector General concluded participation in a three-year pilot program was too small to yield sufficient safety data.

Liquefied natural gas will gain a “significant” market share in the transport sector by 2035, led by demand from trucking, the International Center for Natural Gas Information said.

HENDERSON, Nev. — Daimler’s Western Star unit launched a new highway tractor offering improved fuel efficiency while maintaining the brand’s classic styling.

Swedish truck maker Scania AB said that by driving with two full-length trailers fuel consumption is reduced by up to 30%.