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Clean Energy Fuels Corp., which operates natural gas fueling stations throughout the United States and Canada, said it plans to issue 6 million shares of its common stock.

American Trucking Associations Monday called on Congress to increase the transparency of commodities futures markets and impose “reasonable aggregate position limits on energy commodities,” in an effort to stem the price spikes and record high prices of last summer.

The Senate Energy and Natural Resources Committee has approved legislation that would open more of the eastern Gulf of Mexico to oil and gas drilling, Bloomberg reported.

The use of diesel fuel has fallen sharply as freight levels have nose-dived during the global recession. The home-heating oil season has ended, so there is no competition for the distillate both heating oil and diesel are made from.

The Department of Transportation is preparing to issue its long-delayed rule that would slice the stopping distance for large trucks by as much as 30%.

Wyoming legislators are considering a highway funding plan that could cost trucks more than $100 in tolls to run the full 400 miles across the state on Interstate 80.

Heavy-duty U.S. truck sales continued their severe slide into a fifth month, as retail volume fell 39% in May, while the year-to-date total now lags the pace of last year by 33.9%, according to WardsAuto.com.

Several truck and engine manufacturers who plan to use selective catalytic reduction technology to meet 2010 emission standards have denied allegations by Navistar Inc. and have asked a federal appeals court to give them standing to argue against Navistar’s lawsuit against the U.S. Environmental Protection Agency.

Diesel emission standards change again in January 2010, but unlike the previous modifications when all manufacturers used essentially the same emission-controlling technology, medium-duty truck buyers next year will have a choice of competing systems.