A sewage utility in Bristol, UK, has converted a Volkswagen Beetle to run on human waste.

英国布里斯托尔市一家污水处理部门，在大众甲壳虫(Beetle)汽车上成功地采用生活废料来驱动。

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But the old-fashioned way to save on utility costs is simply to conserve electricity or waste less water.

而最传统的节约水电费开支的方法就是尽量节约用水用电。

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Therefore, composting can enhance fertilizer effect and utility value of the piggery waste.

因此，堆肥化能提高猪场废弃物肥效和利用价值。

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Vivendi is a media, telecoms and Internet company still in the process of emerging from its origins as a state-owned water-and-waste utility.

ECONOMIST: Vodafone/Vivendi/Mannesmann

Brian leads cross-departmental, tactical management plan teams working on environmental improvement -- in the areas of: engagement, alternate funding, utility conservation, waste reduction and recycling, fleet emissions reduction, green purchasing and sustainable development -- leading the district's indoor air quality program recognized by the United States Environmental Protection Agency as a National Model of Sustained Excellence.

WHITEHOUSE: Brian kasher | The White House

While the Environmental Protection Agency would prefer to regulate the byproduct that contains arsenic, mercury and lead under stricter federal hazardous waste laws, the utility sector wants it to remain classified as a solid waste that the states now oversee.

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