What is Hydrogen ? 

Hydrogen is an element very less present on earth's environment. Water contains hydrogen. Hydrogen can conduct electricity and can be used for generating power. It is not very easy to make use of hydrogen in nature for our use. Hydrogen leads to a lot of explosion in past. It was used for exploding world in past. This element is the only element which is considered most explosive and reactive in nature.

What are Hydrogen Cars ?  

Hydrogen cars, basically are cars work on electricity which is generated by hydrogen fuel cells. There are some pros and cons of hydrogen cars. These cells having two plates. One plate is having concentration of hydrogen atoms and other one contains oxygen atoms. All the ions and electrons segregated from hydrogen atoms. Ions got passed through barrier and got attached to oxygen packets. Electrons have to pass through wires and while passing through wires, generates electricity. Electricity generates kinetic energy and hence makes the car moves. After reaching of electrons to the oxygen atoms, they form Hydrogen Oxide molecules.

Pros - Hydrogen Cars

Hydrogen cars secretes no pollutants in environment and doesn't harm the nature. Hydrogen is a rich source of energy.Getting hydrogen doesn't lead to the addition of pollutants in nature. We can extract yellow hydrogen by forming a setup where solar panel generate electricity from sun and uses that electric power to perform electrolysis on water to extract hydrogen.

Cons - Hydrogen Cars

Hydrogen is very explosive in nature. If, even a single chemical reaction with hydrogen took place internally in car from external source or bad internal car system, it can explode the whole vehicle which will lead other surrounding vehicles to catch fire and this all will lead a huge explosion of 10 to 20 car in just 20 to 30 seconds. Performing electrolysis is a time taking model and not considered very efficient way to extract hydrogen until we don't make use of huge expensive solar panels. 

Are Hydrogen Cars Good for nature ? 

Hydrogen cars doesn't add pollutants in nature neither it forms pollutants during its own formation but that doesn't mean it is fit for transport. Yes, it is good from the standpoint of environment but we have to form the car design such a way that no external source leads to the chemical reaction with hydrogen internally. Otherwise, after having contact of anything with hydrogen due to lack of good protecting material in car can lead to a huge explosion. Manufacturing cost of these types of cars should be more and good type of material, premium materials should be included in order to manufacture such a car including riskier elements riskier to humans and nature.