Lighting control systems reduce energy usage and cost by helping to provide light only when and where it is needed.

It also gives guidance on some of the practical short and long-term measures that your business can take to reduce energy usage.

Architectural design can also provide ways of reducing energy usage.

At the same time, Japan is promoting ways to reduce energy usage in total.

The aim of this group is to find ways of reducing energy usage.

In some cases, the use of lower limb orthotics can reduce energy usage.

Utility companies can reduce energy usage with a "smart grid."

But the technology exists, he said, to reduce energy usage by 70 percent.

Wherever possible, I suggest over-insulating, as a very easy way to reduce energy usage and cost.

Bringing more sunlight into a home can reduce energy usage by 38 percent.