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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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  • What do I have to do in preparation for the cleaning?

    Cleaning crews will not move any of your personal belongings, including furniture or appliances. To ensure the most thorough cleaning of your home or place of business, please clear countertops and other surfaces, and limit excess clutter. Norfolk Southern will provide a few boxes if needed to allow for easy…

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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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  • 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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  • Will someone explain the process to me so that I can decide if I want cleaning?

    During your pre-cleaning interview, representatives from EPA and Norfolk Southern will explain the cleaning process, assess time and resource needs, answer questions, and if desired schedule a cleaning date.

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  • Is formaldehyde a contaminant of concern from the derailment?

    Last week, an East Palestine resident reported to EPA that they had a skin reaction from handling soil in their backyard after digging a swimming pool. EPA tested the soil and did not detect high hazard chemicals. The device used for testing did indicate that low levels of formaldehyde might…

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  • How will a cleaning date be scheduled?

    A scheduling specialist will contact you to find a date and time for a pre-cleaning interview at your home or place of business.

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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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