And how the systems that we have designed for the house and we've used for the house how efficient they are and how little energy they use."

VOA: special.2009.10.27

In contrast,a light bulb has much more impact in the use phase, where it's using the energy, and where you can reduce that with more efficient lighting technologies,"

VOA: standard.2009.03.30

The hotels use energy-saving lights and appliances, buy local wine and produce for their restaurants, compost organic waste, donate old linens and towels to charities, and use an energy-efficient, "green" local laundry.

VOA: standard.2009.03.30