Environmental Preservation Get to know the Petrobras technological solutions that pursue environmental excellence, sustainability and eco-efficiency. H-BIO: Get to know new Petrobras diesel technology Petrobras’ H-BIO technology is a complementary route to biofuel production. The process uses renewable raw materials in the oil refining scheme. More space for technology The new Petrobras Research Center building is under construction. Among the novelties, the spotlight is on the innovative virtual reality center. * To read and print pdf files, you need to have Adobe Acrobat Reader software installed in your computer. If you do not have this program, click here.