There are three significant impacts that have been identified in assessing the proposals, which relate to the effect they will have on human health, business costs, and energy bills for consumers.
Mae tair effaith sylweddol wedi eu nodi wrth asesu’r cynigion, sy’n ymwneud â’r effaith y byddant yn ei chael ar iechyd pobl, costau busnes a biliau ynni i ddefnyddwyr.