There are a couple of "new" coal-fired electricity electricity generation technologies that are much cleaner and more CO2 sequestration ready than current plants. One is gasification, the other is [answer] combustion.

Fluidised-Bed Combustion (FBC)

Explanation:

Attainment of conventional emission

abatement targets by new advanced combustion technologies that use alternative means is shown by two new and prominent technologies are

1). Integrated Gasification Combined Cycle (IGCC) and

2). Fluidised-Bed Combustion (FBC).