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  • What is Vermiculite?

    Vermiculite is the mineralogical name given to hydrated laminar magnesium-aluminum-iron silicate that resembles mica in appearance. All vermiculite ores contain a range of other minerals that were formed along with the vermiculite in the rock. Vermiculite ores from some sources have been found to contain asbestos minerals but asbestos is…

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  • How do I Obtain the Populations for Each of the MOVES Source Types?

    See More Frequent Questions about MOVES and Related Models . To output vehicle populations, when setting up your RunSpec select the "Inventory" calculation type from the Scale panel and the "Population" activity option from the General Output panel of the MOVES GUI. The movesactivityoutput table in your MOVES output database…

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  • How are Counties Mapped to Fuel Regions in MOVES? How Can I Substitute Alternate Fuel Formulations?

    See More Frequent Questions about MOVES and Related Models . The RegionCounty table in the MOVES default database maps each county to a MOVES fuel region (defined by regionCodeID). If you are conducting a County or Project Scale Run, you do not need to modify this table to use alternate…

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  • Can MOVES Report Output in Terms of Fuel Consumption?

    See More Frequent Questions about MOVES and Related Models . Although gallons of fuel consumed are not reported by MOVES, the factors used to convert total energy consumption (a MOVES reporting option) to gallons of fuel are contained in the FuelSubtype table (energy content, reported in kilojoules per gram of…

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  • How do I use MOVES at Project Scale?

    See More Frequent Questions about MOVES and Related Models . The MOVES model can estimate emissions at national, county or project scale. Project scale is useful for estimating an individual transportation project like an intersection or transit project, but it requires detailed inputs that describing the vehicle population and activity…

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  • How Can I Determine the Effect of Speed on Vehicle Emissions?

    See More Frequent Questions about MOVES and Related Models . MOVES can be run in either “Inventory” or “Emission Rates” mode. With Emission Rates, MOVES reports emission rates for the 16 average speed bins used by MOVES for each hour of the day and additional emission rate output that may…

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  • Does MOVES Incorporate Anticipated Improvements in VOC Emission Factors Resulting from Improved Fuel Economy?

    See More Frequent Questions about MOVES and Related Models . Changes in fuel consumption affect VOC emissions by reducing refueling vapor losses and spillage. Other emissions (such as sulfates) are also affected by fuel consumption. MOVES incorporates changes due to fuel economy requirements that were finalized as of the date…

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  • Can I use MOVES to Model Emissions from Vehicles in other Countries?

    See More Frequent Questions about MOVES and Related Models . The MOVES model was designed specifically to model the emissions from vehicles and equipment designed to meet emission standards in the United States. There are considerable challenges to adapting the MOVES framework to other nations, primarily around the need for…

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  • How can I run MOVES3 for the entire U.S or for an entire year?

    See More Frequent Questions about MOVES and Related Models . The most accurate national MOVES runs are done for every county and hour and then averaged together in the output, but, depending on your intended use of the results, it’s also possible to pre-aggregate the MOVES inputs to run the…

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  • What are some uses of Vermiculite?

    Vermiculite has been used in various industries for over 80 years. It is used in the construction, agricultural, horticultural and industrial markets. Examples of products that contain vermiculite include potting soil mixes, loose fill insulation, and packing material. For more information, visit the EPA webpage: Protect Your Family from Asbestos-Contaminated…

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  • How does the Fuel Wizard Determine which Fuel Formulations to Modify?

    See More Frequent Questions about MOVES and Related Models . The Fuel Wizard only works on fuel formulations that are in your county database (CDB) and it "edits" them to comply with the alterations you provide. If you wish to create a set of alternate fuels, you will need to…

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  • Where Does EPA Obtain Default Vehicle Miles Traveled (VMT)?

    See More Frequent Questions about MOVES and Related Models . MOVES gets default national vehicle miles traveled (VMT) values from the Highway Performance Monitoring System (HPMS) of the Federal Highway Administration, which collects VMT information from every state. Although this is a good source of consistent total VMT information, the…

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  • How Do I Create my Own I/M Program Input Table Using the "Create Template" Option?

    See More Frequent Questions about MOVES and Related Models . If you already have an I/M program in your area, you should always begin by exporting the default I/M program in MOVES, reviewing it, making any changes to the default program, and re-importing it, rather than trying to fill a…

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  • Where Can I Find Default HPMSBaseYearVMT Values for a Specific County?

    See More Frequent Questions about MOVES and Related Models . MOVES does calculate default values for VMT for each calendar year for each county. Since these values are calculated, they are not found in any table in the default database. If you wish to obtain the default estimates, you will…

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  • Why Does the "hourvmtfraction" Table in the MOVES Default Database Include Fractions for roadTypeID 1 (off-network)?

    See More Frequent Questions about MOVES and Related Models . The original concept for MOVES assumed that there would be some vehicle miles traveled (VMT) not accounted for in the other four road types. This remaining VMT would be accounted for in roadTypeID=1. As the model developed, it was decided…

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