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Average U.S. retail gasoline prices rose 4 cents over the past three weeks to $2.22 a gallon, according to the latest Lundberg survey of gasoline prices released Sunday.

SAN ANTONIO — Truck-stop industry officials meeting here said their main focus this year would be preparing for the expected increase in biodiesel use.

UniGroup Chooses TMW for Cellphone Communications • Corning Sees Growth in Diesel-Filters Unit • Xata’s First-Quarter Loss Narrows • Intermec Postpones 4Q Earnings Release

TAMPA, Fla. — Trucking executives are not doing enough to attract talented, younger technicians to the increasingly complex field of truck maintenance, said Darry Stuart, incoming chairman of the Technology & Maintenance Council.

TAMPA, Fla. — A Technology & Maintenance Council task force said several provisions of the proposed federal requirement for electronic onboard recorders need clarification, and the rule’s required data-display equipment could be a costly and ineffective expense for trucking companies.

Several groups representing truckers and motorists said Friday they have banded together to combat a growing trend toward the privatization or leasing of existing toll facilities to private investors.

Truckload carrier Werner Enterprises said late Thursday that Greg Werner had been promoted to be the company’s chief executive officer.

American Trucking Associations will launch its driver recruitment Web site, GetTrucking.com, Friday at 5 p.m. Eastern time.

Profits fell at major public truckload carriers in the fourth quarter, as declining demand for freight carriage more than eliminated the benefit of declining diesel prices, which are now lower than a year earlier.

UPS Inc. said late Thursday it increased its quarterly dividend to 42 cents a share, from 38 cents.