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The U.S. diesel and gasoline price averages both dipped for a second week, giving back some of the strong October surge in refined product costs during the four previous weeks. Crude oil fluctuated but remained below $80 a barrel.

In a first step toward satisfying its obligations detailed in an out-of-court settlement with American Trucking Associations, Port of Long Beach commissioners last week gave preliminary approval to a new drayage truck registration process that will simplify and limit requirements of the port’s clean trucks plan.

Natural gas is not a viable alternative fuel for most longhaul trucking operations, but it could be an acceptable alternative fuel for some shorthaul carriers, American Trucking Associations told the Senate Energy Committee.

The U.S. Environmental Protection Agency last week formally approved selective catalytic reduction to meet its 2010 emissions standard.

U.S. retail diesel and gasoline price averages reversed a monthlong string of increases last week, as diesel dipped 0.7 cent to $2.801 a gallon and gas declined 2.8 cents to $2.666, the Department of Energy reported.

Democrats on the Senate Environment and Public Works Committee last week approved a cap-and-trade bill that opponents said would cause a spike in the cost of diesel fuel.

Democrats on the Senate Environment and Public Works Committee last week approved a cap-and-trade bill that opponents said would cause a spike in the cost of diesel fuel.