Porsche GT3 R Hybrid. (IMAGE) Helmholtz Association Caption This is a purebred racing car with two drive trains: the Porsche GT3 R Hybrid. Credit Dr.-Ing. h. c. F. Porsche AG Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.