Joe Kaeser quotes and aphorisms about energy Joe Kaeser Joe Kaeser Joe Kaeser ,, An increased push for energy efficiency, renewable energy technology, electric mobility - along wit... Joe Kaeser ,, Often, sustainability is discussed only in the context of energy. Energy sustainability is essentia... Joe Kaeser ,, People need to realise that their governments are sitting on finite resources that will run out one... Joe Kaeser