The results showed that unit pricing system in waste charging has a great advantage over fixed rate system in terms of environmental benefits and equity.

将福州市生活垃圾收费制度与台北市生活垃圾收费制度进行比较，结果表明：垃圾收费从量制在环境效益与公平方面优于定额制。

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The solar mission in its first phase focused on areas already connected to the grid and had a pricing system that bundled four units of thermal electricity with one unit of solar-based power, which reduced the average per-unit cost of solar electricity.

WSJ: India Plans Subsidies to Boost Solar-Power Sector