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Westport Innovations, which makes alternative fuel transportation technologies, said Monday it has begun trading on the Nasdaq stock market.

UPS Inc. said Monday it is offering “significant enhancements” to domestic on-call pickup service in for air packages.

American Trucking Associations said the U.S. District Court of Los Angeles has set a Sept. 8 hearing date on ATA’s motion for preliminary injunction on the harbor commissions of the ports of Los Angeles and Long Beach, Calif.

We’ve now had four reasonably sharp weekly declines in the national average price of diesel fuel. While retail prices have dropped more than 41 cents a gallon over that span, the average is still astronomically high — $1.506 more than the average one year ago.

Remote sensors will be installed on bridges on two main South Carolina highways, allowing officials in Columbia to monitor the bridges’ condition, the Associated Press reported.

A $100 million ethanol plant built by a company that also plans to invest in a carbon dioxide plant and a trucking company and is scheduled to open in North Carolina next year, the Associated Press reported.

Engine manufacturer Cummins Inc. last week reversed its decision to use only exhaust-gas recirculation to meet 2010 emission standards and said it would instead use urea-based selective catalytic reduction to cut the new engines’ fuel consumption.

The number of Americans killed in truck-related crashes fell 4.4% to 4,808 last year, the lowest total in 15 years, the Department of Transportation said last week.

Kenneth Grimmett has been driving heavy trucks down interstates for 14 years, but he’ll be a “rookie” later this week when he climbs inside the cab of a flatbed rig parked in the middle of the George R. Brown Convention Center in Houston.

The national diesel average declined 14.9 cents last week to $4.353 a gallon, the fourth straight drop that has lowered the price of trucking’s main fuel by 41.1 cents a gallon, the Department of Energy reported.