The transition from internal combustion engine (ICE) vehicles to battery electric vehicles (BEV) can be made easier if reliable data on current vehicle use is available.
Gellir gwneud y newid o gerbydau injan hylosgi mewnol (ICE) i gerbydau trydan batri (BEV) yn haws os oes data dibynadwy ar y defnydd cyfredol o gerbydau ar gael.