With the world's growing population, expansion of international trade and logistics, as well as the rising prosperity and industrialization in emerging and developing countries, humanity is increasingly confronted with resource shortages and rising commodity prices. This becomes evident especially in traffic and transport. More and more people around the world are able to afford motor vehicles for their individual mobility. New business opportunities and increased trade require additional transportation of goods and people. Elevated fuel consumption, increased greenhouse gas emissions and higher traffic density are the consequences.