From media news coverage to fluctuating gas prices, the topic of energy is hard to ignore. However, little connection often exists between energy use in our daily lives and the presentation of energy-related concepts in the science classroom. The concepts of energy production and consumption bring together knowledge from several science disciplines to both enhance student understanding and seek solutions to important global problems. This article provides an overview of activities and discussions teachers can use to address the questions raised about biofuels in biology, chemistry, and physics classes. (Contains 4 figures.)