Search Frequent Questions

Displaying 1 - 9 of 9 results

• 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…

  • Last published: July 10, 2024

• 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…

  • Last published: October 23, 2024

• What is the timeline for posting the responses? Will we receive an email with notification on the answers or shall I monitor the website for the posting?

  EPA will respond to the individual email 1 - 2 days after receipt and will post the questions and answers to the RFA website very soon thereafter.

  • Last published: March 29, 2024

• Since asbestos was banned, do I need to be worried about products on the market today containing asbestos?

  On March 28, 2024, EPA issued a final rule prohibiting all ongoing uses of chrysotile asbestos, the only form of asbestos still manufactured (including imported), processed and distributed in the U.S. The final rule prohibitions are by specific use and phased-in over a period of months to several years, depending…

  • Last published: May 1, 2024

• 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…

  • Last published: March 20, 2024

• 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…

  • Last published: July 10, 2024

• What are the health risks if I have asbestos in my home, building, apartment, or school?

  Asbestos that is in good condition and left undisturbed is unlikely to present a health risk. The risks from asbestos occur when it is damaged or disturbed where asbestos fibers become airborne and can be inhaled. Managing asbestos in place and maintaining it in good repair is often the best…

  • Last published: March 28, 2024

• 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…

  • Last published: July 10, 2024

• 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…

  • Last published: July 10, 2024