That meant using renewables rather than fossil fuel; endeavouring to make carpet tiles out of carbohydrate polymers rather than petroleum; and recycling old-carpet sludge into pellets that could be used as backing.

这意味着公司将利用可再生能源，而不是化石燃料；并将努力用碳水化合物而不是石油制造小方地毯；而且还将重新利用旧地毯的沉淀物生产能够用于支持作用的小硬球。