Evaluation of zinc oxide catalysts and their catalytic activity in the reaction for the production of transesterification biodiesel | Health & Environmental Research Online (HERO) | US EPA Jump to main content US EPA United States Environmental Protection Agency Search Search Main menu Environmental Topics Laws & Regulations About EPA Health & Environmental Research Online (HERO) Contact Us Print Feedback Export to File Search: HERO ID 1133029 Reference Type Journal Article Title Evaluation of zinc oxide catalysts and their catalytic