The recent buyout of Alpha Natural Resources Inc. (ANR) by Cleveland Cliffs Inc. (CLF) could ignite more than $50 billion worth of M&A deals in the U.S. coal industry over the next few years as Mainland China rushes to solve a major energy shortfall.

Merrill Lynch & Co. Inc. (MER) has raised its annual infrastructure-spending estimate for emerging markets by 80%, as developing countries try to keep pace with fast-growing economies and large cash reserves, BusinessWeek reported.

Steelmakers throughout Asia cringed earlier this week when they heard the news that Aussie mining giant Rio Tinto PLC (ADR: RTP) had secured a 97% price increase for its iron-ore. But getting Rio out of the way was only half the battle, because now steelmakers are forced to confront BHP Billiton Ltd. (ADR: BHP) and its chief executive, Marius Kloppers, who may not be so easily placated.

Commodities across the board have been increasing in price as supply struggles to keep up with growing global demand. We may be shoveling out more and more money to pay for life’s essentials, but there’s no reason investors that shouldn’t have the opportunity to profit from and hedge these price spikes, too.

Crude oil is grabbing the headlines but it’s coal and uranium that together provide nearly half the world’s power.

So it follows that as worldwide demand for electricity skyrockets - as it will - the shares of companies that provide these two key fuels also will take flight.