The Clean Trucks Program is the most ambitious environmental program ever implemented at an International seaport. And since the program was implemented in 2009, truck-related emissions at the port have been reduced by 90%. TTSI rose to the challenge by taking the older trucks off the road and adding new clean trucks and offering truck owners the chance to own their own clean truck with Lease to Own Program [This program is no longer available at TTSI and has been replaced by our successful Driver Employee Program].