Dette teksstykke synes jeg er virkelig interessant og taler noget imod den genelle opfattelse.
"For German manufacturing industry as a whole, energy costs amounted to 5.8 percent of gross value added. In the leading export sectors like motor vehicles and engineering the share was 3 percent. Though gas and electricity are indispensable and you cannot operate industrial processes without them, like other essential inputs such as protein and calories, greater and greater efficiency mean that energy accounts for a small and diminishing share of industrial costs."