Metadata
Author: englishtainment-tm-I6bvByKy
Data
Welsh[cy]
Os edrychwch ar y ffigurau gwelwch nad yw'r ceir mwy modern a wnaethpwyd ar ôl 1993 yn gyfrifol am lawer o'r difwyniad hwn
English[en]
If you look at the figures you will see that the more modern cars built after 1993 are not responsible for much of this pollution