Samtidig ser man bort fra, at 70% af de nye elværker i USA og 50% i Japan anvender fast brændsel, hovedsageligt kul, for at billiggøre produktionen, selv om den første investering bliver dyrere.
At the same time, it ignores the fact that 70% of new power stations in the United States and 50% in Japan use solid fuels, such as coal, because production is cheaper, even if initial investments are more costly.