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PHOENIX — Clean air regulators in California will require heavy-duty 2007-model trucks registered in the state to have electronic connections for checking emissions and diagnostic data, but they have not decided what kind of connection to require, according to a panel of experts at the recent Technology & Maintenance Council summer meeting here.

WASHINGTON — Federal lawmakers and transportation industry officials reiterated their determination to pass a new six-year highway spending bill this summer, despite talk among some lawmakers that Congress may extend the current plan for one year and take up the multiyear package again in 2004.

It sounds simple on paper: a bearing, some oil and a seal. But keeping wheel bearings correctly lubed has caused fleets considerable consternation for years..

Report: Daimler to Combine Some Truck Units • Peterbilt Workers in Tennessee Accept New Deal • Lundberg: Gasoline Prices Rise Slightly • Cost of Workers’ Compensation Insurance Soaring • And more...

PHOENIX — Three of the top truck manufacturing executives in North America assured their customers that they would produce lower-emissions vehicles in plenty of time to meet new U.S. pollution rules, but didn’t agree on how they would do so.

PHOENIX — Bill Graves, president of American Trucking Associations, told an overflow crowd at the Diesel Engine Emissions Summit here that the trucking industry wants to “avoid a repeat of history” as engine makers gear up to meet tougher engine standards in 2007 and 2010.

ABF to Raise Rates 5.85% Next Month • Price of Crude Oil Rises on OPEC Output Concerns • Daimler, Mitsubishi Fuso in Engine Venture • KAT Taps Sindelar to Serve as President • And more...

The Federal Reserve Bank of Philadelphia said Thursday that its manufacturing index increased to 4 in June from -4.8 the month before, the first positive reading since February.

The index of leading economic indicators rose 1% in May, the biggest increase since December 2001, the Conference Board said Thursday.

Federal Reserve officials appear certain to cut interest rates when they meet next week, the Washington Post reported Thursday.