air pollution impacts and revenue implications of lng taxation final report may 17 1996 submitted to us environmental protection agency washington dc engine fuel emissions engineering inc tax policy epa contract no 68 w2 0018 work assignment 7 07 401 m st sw 20460 by christopher s weaver pe lit mian chan 9812 old winery place suite 22 sacramento ca 95827 916 368 4770 ii contents 1 introduction 2 market 3 zeus development corporation projections results industry contacts 4 economic model utilization 6 benefits vehicles 8 estimating conversion factors in grams per bhp hr 10 total emission reductions due use 12 14 5 references 15 appendix a state motor taxes 16