With global energy demand projected to continue booming over the coming decades, the energy we consume presents a problem not just for the bottom line, but also for the global environment. Reducing the carbon emissions and the costs of this staggering demand will require tremendous innovation, but also a back-to-basics redoubling of our focus on energy efficiency. Quite simply, we must do more with less.
Waste heat is one of the greatest untapped energy resources left to us. Indeed, two-thirds of all the primary energy we mobilize is simply thrown away in the form of waste heat (chaleur fatale).
Finding ways to make that waste heat useful is thus one of the most important challenges facing humanity.