Charles J Dushek, Executive Director of th“GlobalHumanityOrganization.org” “Keep the World Green” …Convert Used Cooking Oil to BioDiesel Production Charles J. Dushek has done a Targeted Analysis of One Major Market, Costa Rica of 4,500,000 Population, for Converting Used Cooking Oils to BIOFUELS for Powering Diesel Trucks, Cars, Pleasure & Fishing Boats, Construction Equipment & Electric Power Generators.