Cars remain the principal means of transportation all over the Western countries, and play a growing role in the rest of the world. Consequences are pollution, traffic, related health issues as well as accidents. Governments are trying to find the right solutions, by encouraging new development in car manufacturing: electric cars versus gas-powered cars. Through an international investigation from China to the United States, as well as France and Germany, we will find out who the leading decision-makers are, and which agenda governments are pushing forward. The recent appearance of new players, new partnerships, and new stakes, are affecting the industry and the economy in general.