Rolls-Royce "Rolls-Royce and Jaguar Land Rover are UK pioneers who are focused on advancing electrical technology for their respective sectors. We are delighted that Jaguar Land Rover are loaning us I-PACE vehicles as we bid to develop the world's fastest all-electric plane. It is important to us that the ACCEL program is carbon neutral and this will be supported by having all-electric cars for ground support," said Rob Watson, Director of Rolls-Royce Electrical. The Spirit of Innovation's produces over 500 horsepower thanks to the most power-dense battery pack ever assembled for an aircraft. According to Rolls-Royce, it provides enough energy to fuel 250 homes or fly London to Paris on a single charge.