HySA Infrastructure featured in Engineering News, 13 August 2019 by HySA Admin | Aug 22, 2019 | news | 0 comments Platinum-catalysed fuel cells can cut mine ventilation costs – HySA BACK Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.