Cyfrifiannell Teithio Rheilffyrdd Cyfrifiannell Teithio Rheilffyrdd Mae'r cyfrifiannell hwn yn defnyddio ffactorau km teithwyr sy'n cael eu defnyddio pan fydd teithwyr sengl yn teithio drwy gyfrwng cludiant torfol (megis ar y trên) a'r nod yw cyfrifo allyriadau ar sail un person, nid cyfrif am y cerbyd cyfan. Math- dewis opsiwn -Rheilffyrdd CenedlaetholRheilffordd RyngwladolRheilffordd ysgafn a thramiauRheilffordd Danddaearol LlundainMae angen cae!Mae angen cae!Teithwyr-+Mae angen cae!Mae angen cae!Pellter-+Mae angen cae!Mae angen cae!Unedau- dewis opsiwn -MilltircilometrMae angen cae!Mae angen cae!Allyriadau carbon0.00kgCO2[{"field":"{type}","logic":"equal","value":"national","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"miles"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"national","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"km"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"international","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"miles"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"international","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"km"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"light","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"miles"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"light","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"km"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"london_underground","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"miles"}]Mae angen cae!Mae angen cae!0.00kgCO2[{"field":"{type}","logic":"equal","value":"london_underground","and_method":"and","field_and":"{units}","logic_and":"equal","value_and":"km"}]Mae angen cae!Mae angen cae![{"field":"{units}","logic":"equal","value":"miles","and_method":"or","field_and":"{units}","logic_and":"equal","value_and":"km"}]Cliciwch + i ychwanegu mwyCyfanswm Credyd Carbon0.00kgCO2eMae angen cae!Mae angen cae!Trefn0.00kgCO2eMae angen cae!Mae angen cae!Isafswm Trefn[{"field":"{total}","logic":"less_than","value":"15","and_method":"","field_and":"","logic_and":"","value_and":""}]Ychwanegu at Cart