Ok then, thank you again, Michael. On Wed, Jun 10, 2015 at 2:58 PM, Michael Behrisch < [email protected]> wrote:
> Hi Deborah, > no I think there may be another class CNG_Bus which we simply did not > extract. > > Regards, > Michael > > Am 2015-06-10 12:11, schrieb Deborah Perrotta: > >> Hey Michael, >> >> I tried searching in HBEFA page for the exact fuels used (I guess >> there are no buses running in gasoline, or really few as you said) and >> so I thought that maybe, the considered fuel for the "Bus" category >> would be only natural gas, once diesel is covered in the other EURO >> categories for heavy duty vehicles, and gasoline has its own category >> "HDV_G". I based my assumption in this help file from their website: >> >> http://www.hbefa.net/e/help/HBEFA32_help_en.pdf [1] >> >> >> where In page 15, they say: >> >> - Fuel = Fuel consumption >> - HBEFA 3.1/3.2 consider primarily diesel and petrol vehicles, but >> provides also emission factors for >> - PC CNG Euro-2 to Euro-6, PC LPG Euro-2 to Euro-6 and PC E85 Euro-4 >> to Euro-6 >> - Urban buses: CNG >> >> Thus what do you think? Maybe it is only CNG for urban buses? >> >> Thank you again, >> Deborah. >> >> On Wed, Jun 10, 2015 at 7:14 AM, Michael Behrisch >> <[email protected]> wrote: >> >> Hi Deborah, >>> >>> Am 09.06.2015 um 19:03 schrieb Deborah Perrotta: >>> >>>> I'm collecting emissions according to the HBEFA3 model and I have >>>> >>> a doubt >>> >>>> regarding the emission class "Bus". Which fuel is considered for >>>> >>> the >>> >>>> estimation of emissions in SUMO? It says "all fuel types" but I >>>> >>> each fuel >>> >>>> has a specif emissions behavior. >>>> >>> >>> Yes, you are right but the HBEFA did aggregate them all into one >>> (maybe >>> because the sample of gasoline driven busses was too small). So it >>> is >>> not our aggregation here but it should relate to a realistic fleet >>> distribution at least for Germany (so mainly Diesel). >>> >>> Best regards, >>> Michael >>> >> >> -- >> >> Deborah Perrotta >> PhD Researcher - MIT Portugal >> http://pt.linkedin.com/in/deborahperrotta/ [2] >> >> >> Links: >> ------ >> [1] http://www.hbefa.net/e/help/HBEFA32_help_en.pdf >> [2] http://pt.linkedin.com/in/deborahperrotta/ >> > > -- Deborah Perrotta PhD Researcher - MIT Portugal http://pt.linkedin.com/in/deborahperrotta/ ------------------------------------------------------------------------------ _______________________________________________ sumo-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sumo-user
