Dual-Mode, Adjustable-Span Vehicle
- New conceptual vehicle
- Has tire wheels for running on roads
- Has rail wheels for running on rail tracks
- Has rail wheel pairs of changeable spans
- Only uses electricity as driving power
- Is charged when running on rail tracks
- Uses battery as power for road running
- Battery can be smaller when working with rail freeway system
- Highly light-weighted compared with cars
- Light rails can be really light thus very low cost
- Best for both daily commutes and long-distance travels not too far away from rail freeways
- May be powered with solar panels along the way