Self-driving vehicles

1. Cons

1.1. Unflexible

1.1.1. Can only work as programmed

1.2. Not absolutely needed

1.2.1. Normal vehicles can also use less fuel

1.2.2. Employment issues

2. Pros

2.1. Safety

2.1.1. Reduce accidents

2.1.2. Reduce pollution

2.2. Efficiency

2.2.1. Don't need human to operate

2.2.2. Use less fuel