“In Hong Kong, as in much of the rest of the world right now, a debate is raging about how best to generate the additional electricity that is needed to power economic growth and development.
Do we use more oil and coal, which pollute and are ultimately finite? Or nuclear energy, which comes with safety concerns, and is being phased out entirely in Germany? Or renewable energies likesolar power, which many nations are promoting, but which make up only a small portion of the energy mix in most countries, and often have physical limitations?
Relatively little attention is being paid to what some analysts refer to as the “fifth fuel”: ways to consume less energy in the first place.”