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With oil soaring to new records — crude surged past $122 a barrel on Tuesday for the first time — federal regulators are considering stricter regulation of the oil industry, the Wall Street Journal reported Tuesday.

Your front-page article April 7 about auxiliary power units possibly saving on fuel quoted an APU maker’s spokesman who stated (like many others I have seen) that idling truck engines use up to 1.8 gallons of fuel an hour.

Transportation Secretary Mary Peters has launched a blog at DOT, called the Fast Lane.

The U.S. economy’s service showed expansion last month, the Institute for Supply Management said Monday.

The automobile industry is focusing on state lawmakers in an effort to head off any plans to regulate greenhouse-gas emissions similarly to California, the Wall Street Journal reported Monday.

The Washington State Department of Transportation said the respondents to its truck parking survey said overwhelmingly that there were not enough parking for trucks in the state, and were concerned about safe parking.

GRAPEVINE, Texas — The increasing complexity of diesel engines represents a major opportunity for profitability in dealership maintenance shops, said the departing chairman of American Truck Dealers.

Competition among fuel-card providers to keep major fleets is intensifying as carriers seek to mitigate the $4-a-gallon cost of fuel by paying closer attention to how it’s purchased.