Division number 18 – in the House of Commons on 4 Mehefin 2013.
A majority of MPs disagreed and wedi pleidleisio against requiring the setting of a target range for the amount of carbon dioxide (or other greenhouse gases) produced per unit of electricity generated.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.