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Emission Compliance Regulations ReV-Systems.com will provide pertinent regulatory information on Emission Control Technology to help Diesel Operators (stationary systems, on-the-road, off-road or marine systems) understand the latest regulations and how ReV-Systems.com can provide solutions for these regulations right now to not only save the environment but your bottomline as well. Click links below for PDF's. National - EPA
The above proposal is in response to the below Presidential Memoranum. EPA 2011 Compliance Power Systems Tier 4 Regulations Beginning on January 1, 2011, Tier 4 regulations will take effect and generator set as well as industrial engine manufacturers will be required to produce Tier 4 complaint product. The EPA Tier 4 requirements enforce reductions in Nitrogen Oxide (NOx) and Particulate Matter (PM) emissions. These are significant reductions as Electric Power products must produce 93% less NOx and 94% less PM compared to Tier 1 products. Emergency Exemption Since the Tier 4 emissions levels are so low, the EPA decided that emergency standby generator sets would be exempt from Tier 4 regulations, including any associated aftertreatment. The EPA states that emergency standby applications can utilize current Tier products such as today’s Tier 2 and Tier 3 offerings. The EPA has carefully defined ‘emergency standby generator’ to mean only those installations that operate when there is a loss of normal power. Generators used for peak shaving, parallel operation with the grid, or storm avoidance will not be granted an emergency exemption and will be required to be Tier 4 compliant. Applicable Product Categories The list of applications that will require Tier 4 certified generator sets in 2011 are as follows: • Non-Emergency Standby Units • Prime Power Applications • Load Management/Peak Shaving • Electric Power Rental Units Tier 4 Disclaimer Just as with prior Tier levels for on-highway, non-road and stationary engine products, State and local agencies (particularly those with non-attainment status for air quality standards) may impose additional regulations over the EPA’s Tier 4 regulations. For generator sets, this may impact the emergency exemption clause for generators in certain areas. As of January 2010, there are no State or local rules/regulations that impact the Federal Tier 4 rules for generator sets in New York or Connecticut. EPA 2010 Compliance EGR vs. SCR All on-highway engine manufacturers are nearing the EPA mandated Jan. 1, 2010 deadline to produce engines meeting new emissions compliance standards that reduce Particulate Matter (PM) and Nitrogen Oxides (NOx). Most heavy-duty diesel engine manufacturers (Cummins, Detroit Diesel, Mack, Paccar and Volvo) have selected a technology referred to as Selective Catalyst Reduction (SCR) to meet the 2010 standards. However, Navistar has chosen a different route with Advanced Engine Gas Recirculation (EGR) as their solution. Both technologies have their pro’s and con’s, but they still need to meet the mandate from the EPA that 2010 compliant on-highway engines must limit NOx to .2 grams per brake-horse-power-hour (g/bhp-hr). ReV-Systems.com can make your fleet compliant by selling and installing our retrofit solution "The Trucker CELL" will help to meet the 2010 and 2011 EPA Mandate to enable customers to attain compliance PLUS getting up to a Guarenteed 10% Return-On-Investment (ROI) through increased fuel economy. 1997 EPA Engine Standards Guide State Compliance Rules/Regulations New York Rules/Regulations For customers bidding on work in New York for the state, the contracts probably will incorporate emissions requirements. Most requirements include periodic reporting by contractors regarding use of Ultra Low Sulfur Diesel (ULSD) Fuel as well as EPA or CARB verified Best Available Retrofit Technology (BART). Below are the basics of the emissions rules/regulations currently in place in different areas of the State of New York. Your customers need to carefully read their specific contract language and review the most updated form of the rule/regulation that may be noted in the contract regarding emissions requirements.
• Active Regeneration System: system providing extra heat to the diesel particulate filter to enhance the regeneration cycle. [OE (Original Equipment) or retrofit] • Catalyzed Diesel Particulate Filter (CDPF): catalyzed honeycomb wall-flow filter that traps and oxidizes PM. The oxidation process cleans or regenerates the filter. Also dramatically reduces CO and HC. Can be packaged in combination with a muffler or silencer. [OE or retrofit] • Closed Crankcase Ventilation (CCV): device that captures and returns crankcase emissions to the engine, re-directing pollutants back to the intake system for re-combustion. [OE or retrofit] • Continuously Regenerating Trap (CRT): device relying on NO2 to regenerate a non-catalyzed diesel particulate filter. The NO2 is generated by a diesel oxidation catalyst placed before the diesel particulate filter. [OE or retrofit] • Diesel Oxidation Catalyst (DOC): flow-through catalyst that oxidizes pollutants in the exhaust stream of a diesel engine. Reduces HC, CO and to a lesser extent, PM. Can be packaged in combination with a muffler or silencer. [OE or retrofit] • Diesel Particulate Filter (DPF): a wall-flow filter containing alternating blocked channels that forces exhaust gas through its porous walls, capturing PM. Diesel particulate filters are used for the reduction of particulate matter. Can be packaged in combination with a muffler or silencer. [OE or retrofit] • Exhaust Gas Recirculation (EGR): device that re-circulates part of the engine exhaust back into the engine to cool peak combustion temperatures, this in-turn reduces NOx emissions. [OE or retrofit] •Hydroxy Combustion Catalys (HCC): This system utilizes the on-demand production of orthohydrogen /parahydrogen /oxygen gas blend (hydroxy gas) to act as a catalyst to burn long fuel molecule chains to improve combustion, reduce overall emissions, increase horsepower and improve fuel economy. [Retrofit] • Low Temperature Combustion (LTC): an engine management system that precisely controls combustion to maintain thermal efficiency and avoid forming emission pollutants which normally form due to incomplete combustion. [OE] • Non-Selective Catalytic Reduction (NSCR): NOx reduction catalyst, also known as a three-way catalyst that uses CO and HC over a catalyst to reduce NOx. [OE or retrofit] • NOx Adsorber Catalyst (lean NOx trap – LNT): a device used to reduce NOx emissions from a lean-burn internal combustion engine, whereas NOx is adsorbed into the catalyst and during the regeneration cycle is changed into N2 and H2O. [OE or retrofit] • Oxidation Catalyst (OC): a flow-through catalyst that oxidizes pollutants in the exhaust stream of a leanburn, natural gas engine. Reduces HC and CO. Can be packaged in combination with a muffler or silencer. Sometimes called a two-way catalyst. [OE or retrofit] • Passive Regeneration: system relying on the exhaust heat of the engine, duty cycle and engine load to initiate the regeneration cycle (point at which the DPF oxidizes accumulated particulate and self-cleans) of a diesel particulate filter. • Selective Catalytic Reduction (SCR): as related to emissions, a process to reduce NOx emissions from a lean-burn engine or oxygen-rich exhaust. Typically a reductant, such as urea or ammonia, is injected into the exhaust where it reacts with NOx over a catalyst to yield N2 and H2O. [OE or retrofit] • Three-Way Catalyst (TWC): catalyst used with spark-ignited, rich-burn engines to reduce CO, HC and NOx emissions. The reduction process of these emissions is called “three-way” conversion. [OE or retrofit] Glossary of Emissions Control Technology Terms • BAT - Best Available Technology • BART - Best Available Retrofit Technology CARB verified • CO • HC • NOx - Nitrogen Oxides • PM - Particulate Matter • ULSD - Ultra Low Sulfer Diesel Fuel • • |
| Revised - 2/15/12 |
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