" the ability to move from idea and invention to technologies and innovation and finally into the marketplace. This is not something that necessarily happens fast—energy is not software. After all, the lithium battery was invented in the middle 1970s but took more than three decades before beginning to power cars on the road. The modern solar photovoltaics and wind industries began in the early 1970s but did not begin to attain scale until after 2010. Yet the pace of innovation is accelerating, as is the focus, owing in part to the climate agenda and government support, in part to decisions by investors, in the part to the collaboration of different kinds of companies and innovators, and in part to the convergence of technologies and capabilities—from digital to new materials to artificial intelligence and machine learning to business models and more. "

― Daniel Yergin , The New Map: Energy, Climate, and the Clash of Nations