Gigawatts per gigawatt is a poor measure of energy efficiency because all forms of energy are not equal. Gasoline is a highly compact easily portable power sou

Gigawatts per gigawatt is a poor measure of energy efficiency because all forms of energy are not equal. Gasoline is a highly compact easily portable power source that also happens to fit into a lot of existing capital equipment, a gigawatt of "gasoline" power costs more than than same amount energy in the form of natural gas becausee it has a lower energy density and isn't not as easily portable. A process that used two gigawatts of coal or natural gas to displace one gigawatt of gasoline would be inefficent under your measure but make perfect economic sense. We live in an economic world. Rational people are going to make choices about what type of energy they use based upon price. If one choice uses more gigawatts than another but is still cheaper people are going to chose it and it will be disruptive.