Do you know which of your home appliances really drains your energy? It may surprise you -- some of the smallest appliances use huge amounts. And when it comes to producing energy, do you know which shale gas play is receiving the most E&P capex this year? The competition is neck and neck.

This may seem like trivia, but it's not -- understanding energy consumption and production can lead to more informed energy investment. In the following video, Motley Fool energy analysts Taylor Muckerman and Joel South ask today's energy stock quiz questions and explain the answers.