There have also been carbon reduction projects focusing on energy efficiency in street lighting in Ethekwini, Cape Town, Johannesburg, Tshwane, Rustenburg, Polokwane and Port Elizabeth.

碳减排工程也聚焦于城市街道照明的能效，参与城市包括德班、开普敦、约翰内斯堡、茨瓦内（Tshwane）、勒斯滕堡、波洛（Polokwane）和伊丽莎白港。

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In applications like LED lighting which are largely driven by energy savings it only makes sense to use a high efficiency power supply.

其应用领域，如LED照明设备，出于广泛的节能诉求，采用高效率电源是再合适不过了。

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Orion is an energy management company with a focus on high efficiency lighting systems and alternative energy system integration in commercial buildings.

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