John Kemp(John Kemp is a Reuters columnist. The views expressed are his own)

Warren Buffett’s acquisition of the remaining 77.4 percent of Burlington Northern Santa Fe (BNSF) railroad his Berkshire Hathaway does not already own looks like a strategic bet that America’s future energy needs will be met, in large part, through a massive expansion in coal-fired power generation coupled with carbon capture and storage (CCS).