VOLUNTARY DIESEL RETROFIT PROGRAM & TECHNOLOGY VERIFICATION Office of Transportation and Air Quality

What is the Voluntary Diesel Retrofit Program? A voluntary program designed to improve the emission performance of existing diesel vehicles and equipmentA voluntary program designed to improve the emission performance of existing diesel vehicles and equipment We are building a market for clean diesel conceptsWe are building a market for clean diesel concepts –Accelerating the delivery of ULSD –Forging business partnerships and relationships –Investing EPA resources to accelerate market growth

The Diesel Retrofit Program works best when:The Diesel Retrofit Program works best when: –EPA HQ and Regional offices create partnerships with local leadership –Local leadership is in the best position to: Create expanding retrofit programs (as opposed to a single demo)Create expanding retrofit programs (as opposed to a single demo) Work with local fleet management and decision makersWork with local fleet management and decision makers Know how to secure local and regional fundingKnow how to secure local and regional funding EPA will supply technical support:EPA will supply technical support: –Engine manufacturers –Retrofit manufacturers –Fuel refineries and suppliers Successful Retrofit Program Model

Retrofit technology can be:Retrofit technology can be: any change to an engine system above and beyond what is required by EPA regulations that improves the engine’s emission performance: –Catalyst or filter –Other devises or systems like SCR –Engine upgrade or engine re-flash –Use of early engine replacement –Cleaner fuels or additives –Idling control equipment –Combination of above Retrofit technologies have verified effectiveness.Retrofit technologies have verified effectiveness. What is Retrofit Technology?

Objective: Evaluate the emission reduction effectiveness of retrofit technologiesObjective: Evaluate the emission reduction effectiveness of retrofit technologies –Verification provides stakeholders with confidence that these technologies will achieve quantifiable emission reductions. Verification consists of the following:Verification consists of the following: –Application & Technology Description –Appropriate Testing Protocols –Statistical Sampling Methods –Durability Requirements Retrofit Technology Verification

DevicesDevices –First developed for catalysts, filters, and engine modifications –Intended to be straight forward Repeat baseline tests compared to repeat retrofit technology testsRepeat baseline tests compared to repeat retrofit technology tests Degreened & aged devices with future in-use testingDegreened & aged devices with future in-use testing Fuels, Fuel Additives and LubricantsFuels, Fuel Additives and Lubricants –Anticipates lower reductions for gasoline & diesel fuels –Test program depends on technology Immediate effect vs. Cumulative effectImmediate effect vs. Cumulative effect SCRSCR –Recognizes reduction and testing depends on calibrations –Ammonia slip monitoring Generic Verification Protocols

ManufacturersManufacturers –Retrofit Technology Manufacturers –Engine Manufacturers EPA, Office of Transportation & Air Quality (OTAQ)EPA, Office of Transportation & Air Quality (OTAQ) –Technical Support –Mobile Source Program Guidance Research Triangle Institute (RTI) Through EPA-ORDResearch Triangle Institute (RTI) Through EPA-ORD –Environmental Technology Verification (ETV) Program Testing OrganizationsTesting Organizations –Southwest Research Institute (so far) Key Verification Participants

Manufacturer Applies To EPA & RTI  EPA, RTI & Manufacturer Develop Test Plan  RTI, Testing Organization & Manufacturer Develop and Sign Statement of Work  Testing Performed & Documented  RTI Generates ETV Report (which is public information)  OTAQ Includes on Verified Technology List  Explore Expanding Verification to Other Engines Simple Verification Process Example

Generic protocols describe general proceduresGeneric protocols describe general procedures –ETV procedures –Pollutants & parameters to measure –Test procedures & fuel requirements –Statistical evaluation of data Degreened and aged performance is evaluatedDegreened and aged performance is evaluated Test plans have more specific informationTest plans have more specific information –Specific engine & product(s) to test –FTP & other tests required –Number of repeat tests –Each fuel to be used –Prefer to have test engine represent initial target fleet –more.... Testing

Initial verification is based on ETV resultsInitial verification is based on ETV results May want to expand verification to other engine & vehicle typesMay want to expand verification to other engine & vehicle types In-use testing is required for devices & SCRIn-use testing is required for devices & SCR ETV results are publicly availableETV results are publicly available For examples look at:For examples look at: –Retrofit Program’s Verified Technology List –ETV reports Important Verification Points

How Does the Technology Work?How Does the Technology Work? –Be prepared to document how (mechanism) the technology reduces emissions –Test Plans & Scope of Verification depend on the technology & mechanism –Immediate vs. Cumulative effect technologies require different test plans –“Cleaning effect” may require cumulative testing –Technologies to clean problem old engines must also perform on properly operating newer engines –Technologies with electronic controls may require consideration of procedures in the SCR protocol Important Verification Points

You Must Know the Limits of the TechnologyYou Must Know the Limits of the Technology –How broadly has it been demonstrated & how? –Are there durability or in-use operation concerns? –Does it require certain fuels or engine operation? –How does it perform on different fuels (2D vs ULSD)? –Does it perform the same in different engines / applications? –Must be demonstrated on properly maintained engines Important Verification Points

What Emission Testing Has Been Performed?What Emission Testing Has Been Performed? –Protocols require the Federal test procedure (FTP) –Opacity testing is not used in verification –I/M testing is not used in verification –Existing data is not used for initial verifications Commercially Ready TechnologyCommercially Ready Technology –Applicant must know the design and operation –Do not want changes just before or after verification –Documentation should apply to the current product –Good to have your test engine representative of your initial or primary target fleet

EPA Retrofit Verification: Dennis JohnsonEPA Retrofit Verification: Dennis Johnson ETV Air Pollution Control CenterETV Air Pollution Control Center Research Triangle Institute Drew Trenholm (919) California Air Resources BoardCalifornia Air Resources Board Retrofit Assessment Section: Scott Rowland For further information…

EPA’s Voluntary Diesel Retrofit ProgramEPA’s Voluntary Diesel Retrofit Program EPA’s ETV ProgramEPA’s ETV Program Research Triangle Institute - Air Pollution Control CenterResearch Triangle Institute - Air Pollution Control Center California Air Resources BoardCalifornia Air Resources Board For further information…