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Calling for 411 Info Will Cost More; Nokia Talks Brightly as Its Shine Begins to Fade; Md. County Uses GPS in Snowstorms; Wireless Web Picks Up Faster Overseas.

NASHVILLE, Tenn. — Oil, in a variety of forms, dominated Monday’s press conferences at the Technology and Maintenance Council, as two major oil companies and two oil-related firms rolled out new products. Most of these products dealt, in one way or another, with extending the life of engine oil.

Class 6 emerged at the end of 2000 as the only category of commercial trucks to see sales going up, not down, and the major reason, according to the salesmen, is that the driver does not need a commercial license to operate one.

Production of new tractors and trailers continued through a March 1 federal deadline for a new safety feature, thanks to a stockpile of the electronic chips needed to activate an in-cab warning light to alert drivers of malfunctioning antilock braking systems on trailers.

The U.S. average pump price for diesel fuel fell 1.4 cents in the past week, to 140.6 per gallon as of March 12 from 142.0 on March 5, the Energy Department reported.

In a sign of shaken investor confidence amid growing concern about weak corporate profits and the struggling economy, U.S. stocks took a big hit Monday.

Today's Technology Headlines: Cellphones Drowning Police Radio Signals; Can Companies Curb Costs and Keep Customers?; Online Collaboration Streamlines Transactions

Matlack Reported in Serious Financial Trouble; Covenant Warns on 1Q Earnings; Dutch Govt. to Whittle Stake in TNT; Delphi Buying Eaton's Switches for $300M; U.S. Retail Gasoline Price Drops; and more to come...

Trucking company USFreightways warned Friday that it was going to make significant cuts in jobs and spending, and said its first-quarter earnings would fall “substantially below” market estimates.