Turning Landfill Gases Into Clean Energy (IMAGE) American Chemical Society Caption Researchers have devised a catalyst that could one day turn the smelly gases at this landfill in Niterói, Brazil, into clean hydrogen fuel. Credit Luiz Almeida Usage Restrictions Please credit Luiz Almeida. 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.