Trends are changing, as well as lifestyle. going green is the new direction. Will this be sustainable? Developed countries like Britain and France have started talks on a completely phasing out of sales for petrol and diesel driven cars by 2040. Pros Britain's Environmental Secretary, Michael Gove, says that the essence of this move is to encourage people to buy electric vehicles, reduce the damage, hazardous emission is causing on people's health. Cons, It has been perceived by motoring experts that it will place unprecedented strain on the National grid. AA warned that the national grid will be under pressure. The National Grid reports that the peak demand for electricity will add around 30 gw to the current peak of 61gw, about a 50% increase. They also predicted that Britain will be reliant on imported electricity. Concerns have been raised about whether Britain will have enough charging points for the electric cars.