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Daimler Truck Group, the commercial vehicle arm of Germany’s Daimler AG, on Monday announced a new clean commercial vehicles initiative, under which the company will manufacture more hybrid electric trucks and test the effectiveness of biofuels.

Auto and truck parts supplier Commercial Vehicle Group said Wednesday it will close its Seattle manufacturing facility and transfer operations from there by the end of this year.

Brent Jones first got word March 27 that his trucking company’s name was being used as part of a freight load board fraud scheme.

UPS Inc. said Tuesday it had expanded its fleet of alternative-fuel vehicles by adding 50 new hybrid electric delivery trucks.

A Pennsylvania trucking company donated $7,500 to help the a local clean air board purchase a new air quality monitor for the county, Harrisburg, Pa., CBS affiliate WHP reported on its Web site.

A Senate proposal that would set fuel-economy standards for heavy- and medium-duty trucks conflicts with a current push to reduce engine emissions and would not work without additional research, representatives of the truck manufacturing industry said.

Truck and engine makers said they were pleased with new guidelines on selective catalytic reduction technology issued by the U.S. EPA, despite some concerns.

Auto and truck parts supplier Commercial Vehicle Group said its first-quarter profit fell by 78% to $3 million or 14 cents a share, from $13.4 million or 62 cents last year.

Trucking companies are concerned that new emissions rules in effect this year are hurting mileage and their bottom lines, the Wall Street Journal reported Tuesday.