http://all-that-is-interesting.com/carbon-dioxide-removal-machine?utm_source=facebook&utm_medium=social&utm_campaign=whfbpd&utm_content=inf_256_70_2&tse_id=INF_068ef4f05a3811e790011d41b85aaeb5 The plant, which will run for three years as a trial project, pushes air through a filter system — using temperatures above 200 degrees Fahrenheit to separate the carbon. It then pumps that gas to a greenhouse through an underground pipe. via This New Machine Sucks CO2 From The Air And Uses It To Grow Veggies.