Search Frequent Questions

Filter By:

Active filters:

Remove all filters

Displaying 46 - 60 of 64 results

  • What are the Units of Road Grade in the Links Table?

    See More Frequent Questions about MOVES and Related Models . The field road grade in the Links table should be entered as a percentage rather than a decimal fraction. In other words, a road grade of 4% should be entered in MOVES as 4, rather than 0.04.

    • Last published:

  • What are Possible Causes of MySQL Query Errors?

    See More Frequent Questions about MOVES and Related Models . You need to make sure the character set in the MySQL my.ini file is set to UTF-8. MOVES does not recognize other character sets and this will result in incorrect or incomplete output.

    • Last published:

  • Can N2O (nitrous oxide) Emissions be Estimated in the MOVES Nonroad Model?

    See More Frequent Questions about MOVES and Related Models . Nitrous oxide (N2O) results is not an option you can select for nonroad equipment in MOVES.

    • Last published:

  • Is There a Way to Model Emissions of a Single Vehicle on a Given Route in MOVES?

    See More Frequent Questions about MOVES and Related Models . MOVES is designed to model fleet emissions, but the project scale in MOVES allows you to model a single average vehicle on a link (road segment). The project scale requires the user to import detailed data, including vehicle population. By…

    • Last published:

  • What is the Relationship Between Calendar Year, Model Year, and Age?

    See More Frequent Questions about MOVES and Related Models . Model year (modelYearID) corresponds to the year that a group of vehicles in the fleet was produced. Calendar year (yearID) is the analysis year as selected in the ‘Time Spans/Year’ panel of the MOVES GUI. For a given calendar year…

    • Last published:

  • Can I Create a Portable Version of MOVES to Use on Multiple Computers?

    See More Frequent Questions about MOVES and Related Models . Yes, you can create a portable version of MOVES. This may be helpful if you need to easily shift your modeling analyses from one computer to another without copying files back and forth. If your organization’s computer policy allows it…

    • Last published:

  • Local meteorological data for alternative release scenarios

    For alternate release scenarios, RMP*Comp uses set values for meteorological conditions like humidity, wind speed, temperature, stability class, and so on. Is there a way to change those values? I want to use meteorology data from my own location. RMP*Comp indeed uses fixed values for certain atmospheric parameters, and does…

    • Last published:

  • Different results using ALOHA and RMP*Comp

    I tried running the same scenarios in ALOHA and in RMP*Comp. I got different answers. Why? The results you obtain using RMP*Comp may not closely match the results you obtain running the same release scenario in a more sophisticated air dispersion model such as ALOHA or DEGADIS. That's because of…

    • Last published:

  • What is the Meaning of the MOVESScenarioID Field? What Conditions Must User-Defined MOVESScenarioIDs Meet?

    See More Frequent Questions about MOVES and Related Models . The MOVESScenarioID is merely text that is used to label the output rows resulting from a MOVES rates run and is defined in the Scale Panel of the MOVES GUI. You can enter any text you like, as long as…

    • Last published:

  • Why in my Nonroad Results do I Have a fuelTypeID not Listed in the FuelType Table?

    See More Frequent Questions about MOVES and Related Models . The fuel types used by the nonroad part of MOVES is not located in the FuelType table. If you look in the NRFuelType table you will see that 23 is for nonroad diesel fuel and 24 is for marine diesel…

    • Last published:

  • 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:

  • How are the Number of Weekdays and Weekend Days in each Month Determined in MOVES?

    See More Frequent Questions about MOVES and Related Models . For any given month, MOVES assumes that 5 out of every 7 days in the month are ‘weekdays’ and 2 out of every 7 of days in the month are ‘weekend days.’ For example, MOVES assumes that January has (5/7)*31…

    • Last published:

  • How can I Install the NONROAD Model?

    See More Frequent Questions about MOVES and Related Models . EPA no longer supports the stand-alone FORTRAN version of the NONROAD model. It likely would need to be recompiled for use in current versions of the Windows operating system. Instead, EPA has included Nonroad equipment estimates in our current MOVES…

    • Last published:

  • Can Non-database Files be Stored in a MySQL Database Folder Without Causing MySQL Errors? For Example, Can Users Store the Spreadsheet(s) Containing County-Level Input Data in the Same Folder as the County Input Database?

    See More Frequent Questions about MOVES and Related Models . In MYSQL, each table in a database is stored as a set of three files with the table suffixes .frm, .MYI and .MYD. Generally, MySQL will ignore non-database files contained in the MySQL database folder; however, any script commands to…

    • Last published:

  • 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: