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/ ------------------------------------------------------------------------------ _______________________________________________ sumo-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/sumo-user
