epa420 r 00 002 february 2000 analysis of commercial marine vessels emissions and fuel consumption data final report work assignment 1 10 epa contract no 68 c7 0051 prepared for us environmental protection agency office mobile sources ann arbor mi under subcontract to sierra research sacramento ca by energy inc 1655 north fort myer drive suite 600 arlington va 22209 table contents page introduction 2 review relevant findings on reports providing 3 summary analyzing 4 recommendations 6 emission factor development lloyd s test coast guard 13 5 21 vessel classifications power ratings employed in literature operating mode ship type weight categories references