Seminar paper from the year 2007 in the subject Economy - Environment economics, grade: 1,3, University of Applied Sciences Constanze, course: Environment Economics, language: English, abstract: This essay is about the engines and fuels of the future in the automotive industry. It tries to find out whether these technologies are suitable for the purpose to reduce pollutant emissions. Furthermore, it will consider the potential of the engines/fuels which they can contribute to an sustainable energy supply in the traffic sector, independent of the use of crude oil.