The last International Energy Agency report informs that the indicator of energy efficiency was only improved by just 1.2% in 2018In a world where energy is becoming such a difficult resource to deal with in a sustainable way, and many countries are trying to boost energy plans looking at the environment with the sustainability always in mind, the energy efficiency is one of the biggest challenges we are facing as the humankind.Our hability to leverage the energy we are consuming, that grows up year by year, is vital to reach a future of energy sustainability, and it seems like actually we are not meeting the expectations. That´s what the last "Market Report Series: Energy Efficiency 2019" - the International Energy Agency report - says, at least. This document indicates that during 2018 the "Global primary energy intensity" - an important indicator of how heavily the...