Private cars guzzle about 7% of the world's commercial (non-industrial) energy or 17% of the oil used each year.

Bustling with commercial energy and new deals hatching on every street corner, Warsaw sheds some of its serious business attitude during the summer.

I have a feeling that there are tremendous commercial energies accumulating now, especially inside the younger generation.

Energy conservation in our homes is another way that the world's huge waste of commercial energy can be reduced without actually producing discomfort for anybody.

By being drawn into the debate from the beginning, religion has given commercial green energy its first toehold in the nation's densest urban corridor.

It insists its activities are geared toward producing commercial nuclear energy.

Only 3% of commercial energy was provided by electricity on a grid.

Trained as both an engineer and a historian, he writes scholarly histories of the regulation of commercial nuclear energy.

Nuclear power now accounts for about 11 percent of the world's electricity generation and 5 percent of the commercial primary energy.

Synchronous generators are the majority source of commercial electrical energy.