Is Tesla really saving earth?

Solar City is a solar panel installer in US chaired by Musk. Solar panels give rise to zero emissions. Recently it is announced that the amount of power generated from Solar City's Solar Panels is enough to power all the Tesla cars sold so far. All the Tesla super charger stations are powered by Solar City's panels. The Gigafactory

Why are there not many hybrid/electrical cars in Australia?

Hybrid / electrical cars cost more to purchase.The registration of a Hybrid / electrical car attracts a discounted Car Registration in some states in Australia.  In Victoria it is $100.00 discount.Hybrid cars are seen to be slower and not good in rough road conditions.Australians like big cars with power to take on our wild country.

What is the spontaneous emission?

Hey sister,it is looking difficult term,but we are observing spontaneous emmision every time.It is a type of emmision when an atom or subatomic particle transit spontaneously from an excited energy state to Lower energy state.Hence they emmit a quantum(packet)in the form of proton.And why I told everytime because the emmited quantum is responsible for

What is the spontaneous emission?

Hey sister,it is looking difficult term,but we are observing spontaneous emmision every time.It is a type of emmision when an atom or subatomic particle transit spontaneously from an excited energy state to Lower energy state.Hence they emmit a quantum(packet)in the form of proton.And why I told everytime because the emmited quantum is responsible for