draft regulatory impact analysis control of emissions air pollution from locomotive engines and marine compression ignition less than 30 liters per cylinder chapter 7 economic assessment standards division office transportation quality us environmental protection agency epa420 d 07 001 march 2007 ria we prepared an eia to estimate the impacts proposed emission program on diesel engine vessel markets in this describe model eim developed market level changes prices outputs for affected social costs expected distribution those across stakeholders also present result our be approximately 600 million 2030 1 2 these society are minimal with rail services estimated increase by about 0 4 percent 6 sector is