Global warming today is a world wide concern, and carbon emission is the top reason behind it. What creates this unwanted and harmful emission? The answer is our cars, trucks, and buses we see around us every single day. Carbon emission from vehicles is one of the top factors of global warming. Luckily, this issue has already been addressed through the development of electric cars due its “zero carbon emission”. But how true is this statement? Are electric cars really as green as automobile industries claim them to be?