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 make your home more energy-efficient.

The quiz was produced as part of a collection of special reports, features and analysis from across BBC News, marking the launch of the BBC Briefing.

BBC 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 BBC's response to audiences demanding better explanation of the facts behind the headlines.