Future energy production
The energy sector has probably undergone more rapid change in the last ten years than in the previous fifty. In a matter of a decade, shale gas production in the US increased by more than a factor of ten, taking US gas imports to their lowest level since the early 80s. Solar costs have come down so considerably that solar as cheap as regular grid electricity in some parts of the world, despite So, the race is on to replace them with an energy source of the future. Clearly, it ain't fossil fuels. But unfortunately, there's unlikely to be any single source of power that will emerge to definitively take the place of hydrocarbons.