Earlier quoted context omitted.
Point taken about inflation. But the thermophysics part still hold true though. You cannot increase economic output a lot without using more energy which will make earth boil.
The economy doesn't follow natural law, or - in many ways both literal and figurative - any laws at all. If you think it should, then it'll appear to violate all sorts of principles all the time. In some cases it behaves like a closed system (employment in countries), in others it's an open system (companies). Some cases money is conserved (double entry booking), in others money behaves more like a Banach-Tarski ball…
Jeremy Rifkin has written a lot of about this topic and his arguments that economists should first learn the laws of thermodynamics before being set loose on the economy.
His book, "The Third Industrial Revolution" touches on this topic quite a bit, if your interested… http://www.amazon.com/Third-Industrial-Revolution-Lateral-Tr...