With fossil fuel bans, e-cars shift into higher gear

Beijing's announcement that it is considering joining France and Britain in banning petrol and diesel cars from its smog-clogged roads promises to accelerate a push towards electric vehicles -- a race in which Chinese carmakers have everything to gain.As the global auto industry braces for a shake up, here's what you need to know.While France and Britain have said they plan to outlaw sales of new diesel and petrol cars by 2040, Beijing has not yet set a date for its proposed ban.