In November 2017, the 197 Parties to the United Nations Framework Convention on Climate Change (UNFCCC) gathered in Bonn for the COP23. By now, an overwhelming majority of countries have realised that in order to avoid rising temperatures and to contribute to a sustainable future, a transition towards more efficient energy is needed. It is not necessarily only a question of energy type and source, but more about efficiency and which techniques and business conduct can help to amplify this.