Can anybody tell me which software s are used most commonly in automotive R&D for CAE ??

how do you plan to store the compressed air??

Can the concept of a screw air compressor be reversed to transmit drive to the wheels? Engine can be used to run a compressor, a highly compressible gas like nitrogen...

a hybrid six stroke engine using water for one power is a great idea engines using water alone as fuel is not practical at least for now

bikes do not produce enough exhaust gas pressure you wont get enough power to do useful work