Defects of Using Electronic Gadgets

I have got some project ideas for Automobile Engineers here...
1. Over speed indication and Automatic accident Avoiding System for four wheeler
2. Fabrication of turbo super charger for two wheeler
3. An intelligent mobile robot navigation technique using RFID Technology (IEEE 2008)
4. Fabrication of Automatic hand break Release
5. Automatic pneumatic bumper for four wheeler
6. Fabrication of Foldable Electric Go Bed Drive
7. Shock Absorber Test rig using Cam and sensors
8. The development of intelligent home security robot (IEEE 2005)
9. Automatic temperature controller with cooling system for car
10. Fabrication of four wheel steering system
11. SMS Based automatic vehicle accident information system
12. Over speed indication and Automatic accident Avoiding System for four wheeler
13. Hydraulic hybrid system for four wheeler
14. Efficiency Increasing System in Automobile by using preheating method
15. A robot system for fire fighting in tunnels (IEEE 2005)
16. Remote controlled material handling equipment
17. Electronic Fuel Injection (EFI) system for Two wheeler
18. Fabrication of Automatic Electro-Hydraulic Jack for Four Wheeler
19. Automatic reserve indication system
20. D & F of Triangular air Compressor with Common Compression Chamber
21. Button operated electro-magnetic gear shifting system for two wheeler
22. SMS based automatic two wheeler locking system
23. Fabrication of queries controlling system for two wheeler
24. Fabrication of man less defense
25. GPS based vehicle root tracking system
26. Fabrication of Two Engine Synchronization for Four Wheeler
27. Design and development of voice / Tele operated intelligent mobile robot (IEEE 1997)
28. Fabrication of Automatic head lamp alignment system with Dim/Bright Controller
29. Automatic sensor based wall painting robot
30. Remote controlled scrap collecting vehicle
31. GPS based automatic vehicle accident information system
32. Automatic Differential Unit locking system