Soil 2 (IMAGE) Rice University Caption Rice University researchers have discovered that pyrolysis of oil-contaminated soil reduces hydrocarbon levels to below regulatory mandates and leaves behind char that enhances the soil's fertility. From left: Graduate student Julia Vidonish and Professors Caroline Masiello, Kyriacos Zygourakis and Pedro Alvarez. Credit Rice University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.