Kaiser believes the easiest way to bolster the sector, which exists to provide capital to find and develop new mines, is to abolish Accredited Investor Exemption rules that currently restrict non-rich people from giving money directly to the treasuries of these companies.
It may be difficult to look beyond the current pricing environment for oil, but the depletion of low-cost reserves and the increasing inability to find major new discoveries ensures a future of expensive oil.
Thermal coal prices have jumped 22% in a month as mines close. Surging Indian imports, set to overtake China's in 2015, will support prices longer term.
Technologies such as high efficiency, low emissions (HELE) coal plants and carbon capture, use and storage (CCUS), can make a significant contribution to reducing global CO2 emissions as part of the energy mix.