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From TreeHugger:
 Toyota has long faced the criticism that the process of manufacturing Priuses has a larger environmental impact than most cars. So the giant automaker came up with what's probably the most bizarre solution imaginable--Toyota genetically engineered two brand new species of flowers to absorb greenhouse gases at Prius manufacturing plants. While, you know, still making the place look pretty.
The flowers have been engineered specifically to absorb nitrogen oxides, and remove heat from the atmosphere. Fast Company explains: "Toyota's flowers are derivatives of cherry sage and gardenia that effectively absorb nitrogen oxides and remove heat from the atmosphere." The absorbed gases makes for lowered surface temperatures around the factory grounds--which means less energy used on cooling the plant. But what's so special about the new flower species?
Read the whole article
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