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WASHINGTON — Members of the Senate Environment and Public Works Committee criticized Transportation Secretary Ray LaHood and the Obama administration for refusing to consider an increase in the federal fuel tax.

Rising oil prices and growing distillate demand pushed the U.S. national diesel average 7.3 cents higher to $2.09 last week, the first increase in more than two months, the Department of Energy reported.

Air and ocean freight forwarder UTi Worldwide lost $89.8 million, or 89 cents per share, for its fiscal fourth quarter, compared with a profit of $18 million, or 18 cents per share, a year ago.

The Environmental Protection Agency may seek to limit greenhouse gas emissions, the Washington Post reported Tuesday.

Several companies that blend diesel exhaust fluid, the urea solution used in truck engines with selective catalytic reduction systems, have had their blends certified by the American Petroleum Institute.

SCR vs. Advanced EGR: The face-off in Louisville had all the earmarks of a hotly contested debate, with competing manufacturers and suppliers assembling their best arguments and putting on their most compelling displays while attempting to sway opinion as to why one 2010 clean-engine technology is better than the other.

LOUISVILLE, Ky. — Navistar Inc. said it soon will introduce a 15-liter engine, which combines the fuel-induction technology of its 11-liter and 13-liter MaxxForce models with the block and other basic components of a Caterpillar C15 power plant.

The Environmental Protection Agency last week launched a program that could give fleet owners up to 25% of a new vehicle’s cost for every diesel truck it replaces with a diesel-electric hybrid, liquefied natural gas or other alternate-fueled engine.