What is the primary advantage of a hydrogen fuel cell powered vehicle?
No tailpipe emissions, emit only water vapour and warm air, fastest charging technology, Refilling of hydrogen very fast, Environment friendly
### Instruction: What is the primary advantage of a hydrogen fuel cell powered vehicle?
### Context: 
### Answer: No tailpipe emissions, emit only water vapour and warm air, fastest charging technology, Refilling of hydrogen very fast, Environment friendly</s>