Respuesta :
Answer is: To reduce harmful emissions.
Hydrogen (symbol: H) is a chemical element with atomic number 1, which means it has one proton and one electron.
Hydrogen gas (H₂) is a colorless, odorless, tasteless andhighly combustible.
Hydrogen fuel is a zero-emission fuel, emits no waste products that pollute the environment.
The hydrogen reacts with oxygen to form water and releases energy:
2H₂(g) + O₂(g) → 2H₂O(g) + energy.