EMFAC2014 Model and Previous Versions Contact Mobile Source Emissions Inventory Support Email msei@arb.ca.gov < BACK TO ON-ROAD (EMFAC) EMFAC2014 (U.S. EPA Approved)EMFAC2014 Software Installation Package (v1.0.7)EMFAC2014 Update (v1.0.7) Public Release NoticeEMFAC2014 User's GuideEMFAC2014 Technical Documentation, PL HandbookComprehensive Table of EMFAC TopicsEMFAC2014 UpdatesUpdates From v1.0.1 to v1.0.7 UpdatesImpactsModeAreaVehicleModel YearCalendar YearPollutantAdded pre-1965 population from DMV to model year 1965AllAllLDV19652000-2008AllAdded evaporative, and tire & brake wear emissions for pre-2000 model year electric vehicles in San Diego and Imperial countiesAllSan Diego & Imperial CountyLDA & LDT1Pre-20002000-2043HC,ROG, TOG,PM, PM2.5,PM10Revised codes for Custom Activity to correctly scale emissions by speed fractions when multiple inputs are loadedCustom Activity Batch ProcessAllAllAllAllAllRevised CO2 emission rates for LDT2 and MDV under Advanced Clean Cars (ACC)EmissionsAllGas LDT2 & MDV>2022>2022CO2*,Fuel, SOxExcluded Auxiliary Power Systems (APS) from T7 idle emission ratesEmission RatesAllT7<2008>2007AllEMFAC2011EMFAC2011 Release DocumentEMFAC2011 User's Guides: LDV, HD, SG, PLEMFAC2011 Technical Documentation, PL HandbookEMFAC2011 Software Installation Packages: LDV, HD, SG, PLEMFAC2011 Idling Emission RatesEMFAC2007SoftwareUser's GuideTechnical Memos and Support Documents EMFAC2007 population updateCorrections to heavy-duty gas cap benefitsUpdating vehicle miles traveled and speed distributions in EMFAC2007 November 13, 2006September 12, 2006July 20, 2006Redistribution of heavy-heavy duty diesel truck vehicle miles traveled in CaliforniaCoding modifications to evaporative emissions algorithmsRevision of heavy-heavy duty diesel truck emission factors and speed correction factors Original documentAmendmentRevised planning relative humidity profilesRevised planning temperature profilesIncreased evaporative emissions from on-road motor vehicles due to ethanol permeation November 7, 2006November 1, 2005Modifications to the inspection and maintenance programs in the working draft of EMFAC2007On-road emissions inventory fuel correction factorsCoding modifications to correct errors in EMFAC2002Revised brake wear PM emission factorModification of mileage accrual ratesDetermination of statewide percent of heavy-heavy duty diesel truck (HHDDT) by countEMFAC2002SoftwareUser's GuideTechnical Memos and Support Documents Examples (zipped file)Revised Implementation Schedule LEVIICorrect Usage Rates for School BusesCorrect Monthly Average Gasoline RVPExtended Idle for School BusesCorrection to 2007+ HDD PM Emission RatesExtended Idle for Heavy-Duty TrucksModification of Passenger Car Mileage Accrual RatesUpdate Speed DistributionUpdated Vehicle Miles TraveledUpdated Vehicle Miles Traveled (SCAG)Update Population and Registration DistributionsRevise Phase 3 Gasoline Fuel Correction Factor Start DateStandards-Ratio Factors for Tire Wear and Brake Wear PMRevising the Cutpoints for the Enhanced Inspection and Maintenance ProgramCorrect Banning from SSAB to SCAQMDAdditional Changes to Forecast Estimates of Vehicle Activity from changing Population of Age 45 VehiclesEMFAC2001SoftwareUser's GuideTechnical Memos and Support Documents EMFAC2001 DocumentationZEV AmendmentsWorkshop Cover Letter and ItineraryWorkshop PresentationEMFAC2000Table of ContentsExecutive SummaryModel HistoryAll Support Documents ActivityCorrectionEFEmissionsOtherAppendicesArchived Technical Documentation and Support MemosEMFAC 2007 Population Technical Memo UpdateCorrections to Heavy-Duty Gas Cap BenefitsCoding Modifications To Evaporative Emissions Algorithms Revised Planning Relative Humidity Profiles Redistribution Of Heavy-Heavy Duty Diesel Truck Vehicle Miles Traveled In CaliforniaRevised Planning Temperature Profiles On-Road Emissions Inventory Fuel Correction FactorsModifications To The Inspection And Maintenance Programs In The Working Draft Of EMFAC2007Revise Brake Wear PM Emission FactorCoding Modifications To Correct Errors In EMFAC2002Determination of Statewide Percent of Heavy-Heavy Duty Diesel Truck (HHDDT) by County