Looking at this graph, presented to us by the Economics Ministry, it's pretty clear that Germany plans a massive expansion of renewables by 2030. That dotted line - and the fossil fuel use represented under it - is only going in one direction.

But significantly, the size of the bars themselves are also going down. That's because the country's total energy use is going down in coming decades. Yep, going down. In fact, with the country's energy efficiency measures kicking in, total energy use is already decreasing.

At the same time, their GDP is rising. Rising economic growth, it seems, has been decoupled from rising energy use.