HBL Rentar Fuel Catalyst from HBL brings multiple benefits to users while at the same time helps clean the environment of noxious emissions and harmful greenhouse gases. HBL Rentar Fuel Catalyst is a product of Rentar Environmental Solutions Inc, USA - a global leader in pre-combustion technologies, striving to provide solutions that benefit the environment significantly. HBL Rentar Fuel Catalyst enjoys several patents globally and has been proven to reduce fuel consumption and harmful emissions from furnaces, boilers and generators.