Diesel particulate matter emissions in 2009 dropped by 37 percent from 2008 and nitrogen oxide emissions fell 28 percent.
The June 3 letter responded to an ATA letter in which the ATA said the DOT appeared to disproportionately support non-truck transport.
An appeals court has denied the American Trucking Associations’ request for rehearing in its challenge of CARB authority.
With strong gains in April and May, the trucking industry virtually has erased previous job losses for the year.
Class 8 truck total net orders for all major North American OEMs were at 12,903 units, a 9.8 percent decline from April.
Hearings will be on on several areas including hours of service, electronic on-board recorders and household movers.
An appeals court has denied the American Trucking Associations’ request for rehearing challenging CARB authority.
Nighttime pavement recycling operations on I-435 in the Kansas City, Mo., area will reduce traffic to one lane.
Sign up to get Overdrive's daily newsletter.