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Who is paying the legal costs for the Port of Los Angeles to pursue the “employee only” model? How much taxpayer money is being wasted on a lost cause that has been reviewed and re-reviewed in the courts?

The average retail price of U.S. diesel rose 2.9 cents last week, the second consecutive increase, pushing the cost of trucking’s main fuel to $2.861 a gallon, according to the Department of Energy.

California’s South Coast Air Quality Management District is offering incentive funding of up to $50,000 for the purchase of a diesel truck or up to $100,000 for the purchase of a natural gas truck, in return for scrapping an older Class 8 diesel truck, the agency said.

While U.S. Environmental Protection Agency Administrator Lisa Jackson indicated last week that her agency was moving forward with plans to regulate greenhouse gas emissions, opposition to a Senate cap-and-trade bill seemed to be gaining enough momentum to block its passage.

Senate Democrats expect to pass an unemployment benefits bill soon that includes a provision retroactively reinstating a biodiesel tax credit through the end of the year, according to a spokeswoman for Sen. Harry Reid (D-Nev.).

Wal-Mart Stores is pushing its suppliers to be more energy efficient and reduce greenhouse gas emissions by 20 million metric tons by 2015, the Associated Press reported.

A proposed 5% biodiesel mandate has died in the Iowa state legislature, the Fort Dodge Messenger reported.