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Do you think you know the most efficient ways to heat and insulate your home? Find out how well-informed you really are about saving energy with this quiz.

The advice in this quiz was developed with the help of the Energy Saving Trust, which offers detailed information on how to .

The quiz was produced as part of a collection of from across ´óÏó´«Ã½ News, marking the launch of the ´óÏó´«Ã½ Briefing.

´óÏó´«Ã½ Briefing is a mini-series of downloadable guides to the big issues in the news, with input from academics, researchers and journalists. It is the ´óÏó´«Ã½'s response to audiences demanding better explanation of the facts behind the headlines.