The importance of learning the costs and the trade-offs of decisions cannot be understated. For every action there is a reaction. As students complete the modeling and comparing of fossil fuel and biofuel combustion, they will become enlightened as to carbon footprints, cost and effect of various fuels.
What is released when the three fuels burn? How do they calculate the amount of energy released? These can be taught with the printed word and the module that accompanies it. It will make chemistry real. A high school science curriculum exciting for every student in the class.