Home/American Shipper/Jaxport joins CRT to address truck emissions American ShipperWarehouse Jaxport joins CRT to address truck emissions FreightWaves Staff · Thursday, January 10, 2013 Facebook Twitter/X LinkedInA group of shippers, known as the Coalition for Responsible Transportation, is partnering with the Port of Jacksonville in a voluntary initiative to reduce air pollution caused by shuttle trucks serving the Florida port and their warehouses.