A study by Iowa State University researchers shows the viability of using bio-oils to plug abandoned oil wells, an ...

Filling abandoned oil and gas wells with bio-oil made from plant-based leftovers like corn stalks and forest debris could help remove carbon dioxide from the atmosphere, returning carbon underground ...

Injecting bio-oil made from corn stalks and forest debris into the deep shafts of abandoned crude oil wells could be a viable form of carbon sequestration, a new Iowa State University study found.