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<br /> <br />EPA <br /> <br /> <br />Emission Levels Over the Years <br /> <br /> 0.6 <br /> 0.5 <br />- <br />l- OA <br />.c <br />I <br />a. <br />.c <br />.a 0.3 <br />-- <br />~ <br />2: 0.2 <br />a.. <br /> 0.1 <br /> 0.01 <br /> 0.2 1.0 2.0 3.0 4.0 5.0 6.0 <br /> NOx (g/bhp-hr) <br /> <br /> <br />Challenge: NOx and Particulate Matter (PM) have an inversely proportionate relationship. <br />As NOx is reduced PM is increased and vice versa. <br /> <br />Criteria Solutions <br /> <br />"Certified" engine system High rate EGR or other <br />>~~=,,~>~=="<,~~~~.~~~engine technology <br /> <br />Periodic truck testing New engine ATD <br />after truck sale_~'~~=',""""""""""""h'","'~~~~ <br /> <br />Sulfur content from New fuel - available: <br />500 PPM to 15 PPM - At refineries June 1, 2006 <br />_~,.=..~~~'"'~=.,=,==,==".===.,.," - At trucks stops Sept. 1 , 20q6. ~ <br /> <br />Ash content 1 % or less Available 1-1-07 API - CJ-4 <br />- ~~.:I,"",:rl:""""",","'.2..""'.1>"-r--"_',_"",""",,,,,,~~",,c,"~~~"~""'-_ <br />Adjust or clean no Partially self cleaning ATD's <br />more frequently than: Multiple modes <br />150,000 ~.ile~=<2!'~~&oq hour~.,~~_.,,<c..~ __~u~ <br />100,000 miles or 5 years on Long life parts Including: <br />emissions related devices - ATD's <br />- Exhaust plumbing <br />Revised design criteria <br /> <br />Rules <br /> <br />Transient emissions <br />testing . <br /> <br />Manufacturer run-in <br />~issions testin2....=. <br /> <br />Ultra Low Sulfur <br />Diesel fuel <br /> <br />Low ash engine oi~ <br />Diesel particulate <br />filter maintenance <br /> <br />EPA Warranty <br /> <br />EPA Useful life <br /> <br />NUx <br />Reduction <br />81.7% from 1990 <br />to 2007 <br /> <br />185,000 miles or 10 years Class 6/7 <br />435,000 miles or 10 years or 22,000 <br />hours - Class 8 <br /> <br />. nS.1NerS <br />'j;j.~SAt~~" ~ ",)-~.< <br />:.'f~~@!; <br /> <br />51 <br />