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Why Doesn't my Output Vehicle Miles Traveled (VMT) Match my Input VMT?
See More Frequent Questions about MOVES and Related Models . This problem usually occurs when the run specification does not include all possible vehicle and fuel types. MOVES internally allocates the input VMT to each of the source types and fuel types and only reports the VMT for the fuel…
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What does MOVES Assume for Future Year Fleet Fuel Efficiency and Emissions?
See More Frequent Questions about MOVES and Related Models . MOVES reflects all fuel economy and emissions standards that were final as of the model release date. For a list of recent regulations accounted for in the most recent MOVES version, see the see the Overview of EPA’s Motor Vehicle…
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How does MOVES Calculate CO2 and CO2 Equivalent Emissions?
See More Frequent Questions about MOVES and Related Models . MOVES calculates the energy it takes to operate an onroad vehicle based on energy consumption rates as explained in the technical reports Greenhouse Gas and Energy Consumption Rates for Onroad Vehicles MOVES3 (pdf) (November 2020, EPA-420-R-20-015) and Exhaust Emission Rates…
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Is the last date of sampling 12/31/2029?
Yes, that is correct. The last date of sampling is 12/31/2029.
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Why Are There No Emissions for the Early and Late Hours of the Day for Certain Source Types?
See More Frequent Questions about MOVES and Related Models . MOVES has no start emissions for the certain source types in certain hours of the day. While we know that a non-zero number of these source types do start late at night, our activity data on these trucks and buses…
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Is the volume of renewable fuels a fixed number of gallons? How does this affect an obligated party's requirements?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . The volume of renewable fuel used as the basis for calculating the percentage renewable fuel standards is fixed by CCA 211(o)(2)(B) for certain years (through 2012 for biomass-based diesel and 2022 for other renewable fuels), with volumes after…
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Can 2009 Cellulosic Biomass ethanol RINs (with a D code of 1) be used to satisfy an obligated party?s Cellulosic Biofuel and/or Advanced Biofuel RVO in 2010? Is there a 20% rollover cap on this type of RIN being used to satisfy the Cellulosic and/or Advan
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . 2009 cellulosic biomass ethanol RINs with a D code of 1 that are not used for compliance purposes in 2009 can be used to meet the cellulosic biofuel, advanced biofuel, and total renewable fuel RVOs in 2010. The…
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What Pollutants are Included in “oxides of nitrogen” in MOVES?
See More Frequent Questions about MOVES and Related Models . The definition of NOx in MOVES (NO + NO2 + HONO) is different than the standard NOx definition of NOx (NO + NO2). This change has been made to correct the exhaust NOx emission in MOVES for potential interference with…
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What Drives Seasonal CO Emission Trends?
See More Frequent Questions about MOVES and Related Models . Once a vehicle’s engine/catalyst reaches operating temperature, the ambient temperature has little effect on the emissions performance of the vehicle. These “running” emission rates in MOVES have no temperature adjustment. However, during summer months at warm temperatures, MOVES assumes extensive…
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I understand under CAA Section 211(o), compliance can be deferred for a year as long as the obligated party complies the next year. How does one petition for a one-year deferral? What criteria are considered?
See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help . According to §80.1427(b), an obligated party may carry a deficit from one compliance year to the next under certain conditions. No petition for a deficit carryover is required. An obligated party will be presumed to be carrying over…
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