It is an umbrella term for several tools that precisely measure and control the flow of electricity, allowing for the optimization and reduction of overall energy use. (canadianbusiness.com)
In addition, inexpensive energy stimulates the economy, which also increases overall energy use. (sciencedaily.com)
Though calculations of the environmental impact of Dr Post's lab - grown meat have yet to be published, early indications suggest that cultured meat could reduce the need for land and water by as much as 90 % and overall energy use by up to 70 %. (theguardian.com)