> Well even the big limousines are actually quite fuel-efficient these days. For example, the series 7 BMW 730 with its 250 horse powers uses only 5.6 l / 100 k

> Well even the big limousines are actually quite fuel-efficient these days. For example, the series 7 BMW 730 with its 250 horse powers uses only 5.6 l / 100 km (http://www.bmw.com/com/de/newvehicles/7series/sedan/2012/sho... http://www.bmw.com/com/de/newvehicles/7series/sedan/2012/sho...). These are unrealistic industry-produced numbers. This is widely discussed in Germany that these numbers are a joke. Also forget the massive amount of energy going into the production of these cars and the materials they use. The huge space and infrastructure they are using... we still have air problems in the cities because of the diesel cars. > 20 % of the electricity production in Germany Coal has a share of 43.6% of electricity production in Germany. > in most cases the heat waste is used industrially and emissions are heavily filtered). The filter ash is going where? The coal is coming from where? CO2 is not filtered.