Editor's note: Consultant Al Levi helps HVAC and plumbing contractors run their businesses with "less stress and more success." He has agreed to let us share with readers of The NEWS some of the ...

As a result of recent environmental regulations, many utilities in the United States have already switched or are thinking about switching to Powder River Basin (PRB) coal. One of the primary reasons ...

Fly ash is a general name used for the residual products of combustion that rise with flue gases. More than 100 million tons of fly ash is produced in the United States every year; most coming from ...

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Historically high fuel prices have forced Americans to completely re-think their driving habits, from the type of vehicles they drive to how they go about their daily errands. Likewise in the business ...

The increasing demand for renewable energy resources, such as solar and wind power, necessitates the development of large-scale electrical energy-storage (EES) systems, for example, for load leveling ...