Tuning Porsches 911 GT3 R Hybrid Race Car Its All Software

Two days before the Porsche 911 GT3 R Hybrid competes for the first time on U.S. soil, the head of its development team said the company plans further development of the technology.

Source:
http://www.greencarreports.com/blog/1049997_tuning-porsches-911-gt3-r-hybrid-race-car-its-all-software