Division number 401 – in the House of Commons on 23 Tachwedd 2011.
A majority of MPs disagreed and wedi pleidleisio in favour of proposed cuts to subsidies (feed-in-tariffs) for electricity produced from renewable or low-carbon techniques.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.