Sustainable and clean energy for the future is a central concern for carmakers and their research departments, as well as politicians. At a recently held symposium held in Sindelfingen, Dr. Hans-Joachim Schöpf, Member of the Executive Management Panel, Responsible for Mercedes-Benz Passenger Car Development, set out the view from DaimlerChrysler. His presentation, which provides a good summary of the political context, as well as the research challenges facing carmakers, is reproduced here.