Projects to add capacity to existing plants are underway, and municipalities are once again evaluating the option of building incineration plants rather than continue landfilling municipal wastes.
增加现有工厂容量的项目正在进行中，并且，市政再一次评估建设焚烧厂，而不是选择继续采用堆填区的方式处理城市垃圾。