Carbon dioxide is one hell of a molecule. Perhaps you only know it as the stuff humans exhaleand plants inhale, or the primary culprit for climate change. But CO is capable of so much more. For instance, some engineers think it could help make the power industry a little greener. Now, you’re probably thinking this is atwist on carbon capture and storage. Nope. It’s about turbine generators—the enormous machines that convert heat into electricity.