diff --git a/doc/supply_demand.rst b/doc/supply_demand.rst index 3ea3d5e9..cd3c44ae 100644 --- a/doc/supply_demand.rst +++ b/doc/supply_demand.rst @@ -374,11 +374,11 @@ Annual energy demands for land transport, aviation and shipping for every countr *Aviation* -The `demand for aviation `_ includes international and domestic use. It is modeled as an oil demand since aviation consumes kerosene. This can be produced synthetically or have fossil-origin [link to oil product]. +The ‘demand for aviation `_ includes international and domestic use. It is modeled as an oil demand since aviation consumes kerosene. This can be produced synthetically or have fossil-origin [link to oil product]. *Shipping* ----------------- + Shipping energy demand is covered by a combination of oil and hydrogen. Other fuel options, like methanol or ammonia, are currently not included in PyPSA-Eur-Sec.The share of shipping that is assumed to be supplied by hydrogen can be selected in the config file `_. To estimate the `hydrogen demand `_, the average fuel efficiency of the fleet is used in combination with the efficiency of the fuel cell defined in the technology-data repository. The average fuel efficiency is set in the `config file `_.