Stakeholders commonly suggested that further tax increases were desirable, seeing the approach either as a deterrent or a means of raising funds to support supply-side solutions.
Awgrymodd rhanddeiliaid yn aml fod cynnydd pellach mewn trethi yn ddymunol, gan ystyried bod y dull naill ai’n rhwystr neu’n ffordd o godi arian i gefnogi datrysiadau o’r ochr gyflenwi.