From 6000 electric cars in 2009 it has reached 1.2 Million cars..Astronomical growth!! With advancements in battery technology (Battery costs per KWH is reducing & Energy density increasing) the growth will further accelerate!! Demand for petrol & diesel will reduce, as a consequence!!
http://www.ft.com/cms/s/0/31d68af8-6e0a-11e6-9ac1-1055824ca907.html#axzz4JSZJHGQu
http://www.ft.com/cms/s/0/31d68af8-6e0a-11e6-9ac1-1055824ca907.html#axzz4JSZJHGQu