Global Clean Energy Holdings is a development and operation company that is engaged in the research, cultivation, production and distribution of environment-friendly biofuel feedstock. The company focuses on the commercialization of the Jatropha oil, which is used for the production of biodiesel. Global Clean Energy Holdings also provides access to the Web sites of the American Society of Plant Biologists, National Biodiesel Board, and ASTM International. The company maintains various farms in Mexico. Global Clean Energy Holdings operates Technology Alternatives Limited, which undertakes several research and development activities. Additionally, the company operates a subsidiary, GCE Mexico l, which has more than 5,000 acres of land in Mexico.