Hi Ali,
thanks for picking it up again. So here is what we currently do:
Whenever the deceleration is small enough and the speed is still above some threshold we assume the vehicle is coasting and set all emissions to 0. We essentially copied this behavior from the PHEMlight model but now that I think of it again I am not really sure why this is a good idea (i.e. why we do not use the idling emissions for a standing vehicle here). I just double checked and the behavior is still there in the newest PHEMlight so at least it is consistent. I opened a ticket here:
https://github.com/eclipse/sumo/issues/11198

Best regards,
Michael

On 14.07.22 17:07, ali mirzaei wrote:
Hi,
I also try that scenario with SUMO latest release (version 1.14.0) but some zero values are observed again. Could you tell me what is happening?
Best regards,
Ali


On Tue, Jul 5, 2022 at 3:23 PM Michael Behrisch <[email protected] <mailto:[email protected]>> wrote:

    Can you share your scenario or at least describe in more detail what is
    happening?

    Best regards,
    Michael

    Am 01.07.22 um 23:24 schrieb ali mirzaei:
     > I installed the " https://sumo.dlr.de/daily/sumo-win64-git.msi
    <https://sumo.dlr.de/daily/sumo-win64-git.msi>
     > <https://sumo.dlr.de/daily/sumo-win64-git.msi
    <https://sumo.dlr.de/daily/sumo-win64-git.msi>> " version but the
    issues
     > still remain.
     >
     > On Fri, Jul 1, 2022 at 4:48 PM Jakob Erdmann
    <[email protected] <mailto:[email protected]>
     > <mailto:[email protected] <mailto:[email protected]>>> wrote:
     >
     >     The problems are resolved but you need to use the latest
    development
     >     version
    (https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots
    <https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots>
     >     <https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots
    <https://sumo.dlr.de/docs/Downloads.php#nightly_snapshots>>)
     >
     >     Am Fr., 1. Juli 2022 um 13:56 Uhr schrieb ali mirzaei
     >     <[email protected] <mailto:[email protected]>
    <mailto:[email protected] <mailto:[email protected]>>>:
     >
     >         Hi,
     >         According to
    "https://github.com/eclipse/sumo/issues/10441
    <https://github.com/eclipse/sumo/issues/10441>
     >         <https://github.com/eclipse/sumo/issues/10441
    <https://github.com/eclipse/sumo/issues/10441>>",  I want to know
     >         if the problem of reporting zero emissions is resolved.
    If then,
     >         why does my simulation report zero emissions during
    coasting or
     >         decelerating yet?  I use SUMO's latest release (version
    1.13.0).
     >         Best regards,
     >           Ali
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