This guide helps you report consumption of petroleum-based oils and greases. Primary file file type file type icon Reporting petroleum-based oils and greases (other than petroleum-based oils and greases used as fuel) guideline ( 367.47 KB pdf ) Documents file type file type icon Reporting petroleum-based oils and greases (other than petroleum-based oils and greases used as fuel) guideline ( 201.91 KB docx ) Schemes NGER