An efficient and inexpensive energy source, coal provides stable and large - scale electricity generation. (corporate.vattenfall.com)
He sees a day coming soon when DNA can be written like software and custom microbes can be «programmed» to generate inexpensive energy, fertilizer, drugs, or food. (discovermagazine.com)
In addition, inexpensive energy stimulates the economy, which also increases overall energy use. (sciencedaily.com)