There are two options to meet the transportation requirements of building occupants: PEV and gasoline cars.
Hydrogen vehicles are not considered as round trip efficiencies for hydrogen made from renewable electricity are to low compared to PEV which requires
accounting for GHG's due to large conversion losses. It is assumed
that the energy required for PEV is met by building electricity when
possible. A heat pump or air conditioners will cover the cooling
load during summers.