Laserfiche WebLink
<br /> <br />EPA <br /> <br /> <br />Emission Levels Over the Years <br /> <br /> 0.6 <br /> 0.5 <br />- <br />l- DA <br />..c. <br />I <br />a. <br />..c. <br />.c 0.3 <br />-- <br />~ <br />:::a: 0.2 <br />a. <br /> 0.1 <br /> 0.01 <br /> 02 1.0 <br /> <br /> <br />2.0 3.0 4.0 <br /> <br />NOx (g/bhp-hr) <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 />Rules <br />Transient emissions <br />testing <br />Manufacturer run-in <br />emissions testing <br />Ultra Low Sulfur <br />Diesel fuel <br /> <br />Low ash engine oils <br />Diesel particulate <br />filter maintenance <br /> <br />EPA Warranty <br /> <br />EPA Useful life <br /> <br />Criteria <br />"Certified" engine system <br /> <br />Periodic truck testing <br />after truck sale <br /> <br />Sulfur content from <br />500 PPM to 15 PPM <br /> <br />Ash content 1 % or less <br /> <br />Adjust or clean no <br />more frequently than: <br />150,000 miles or 4,500 hours <br /> <br />100,000 miles or 5 years on <br />emissions related devices <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 />5.0 <br /> <br />6.0 <br /> <br />NUx <br />Reduction <br />81.7% from 1990 <br />to 2007 <br /> <br />Solutions <br /> <br />High rate EGR or other <br />engine technology <br /> <br />New engine ATD <br />replacing muffler <br /> <br />New fuel - available: <br />- At refineries June 1, 2006 <br />- At trucks stops Sept.1 , 2006 <br /> <br />Available 1-1-07 API - CJ-4 <br /> <br />Partially self cleaning ATD's <br />Multiple modes <br /> <br />Long life parts Including: <br />- ATD's <br />- Exhaust plumbing <br />Revised design criteria <br /> <br />Ans\Ners <br />