China's new emission rules to force global carmakers to redraw road maps

The world’s biggest market for electric vehicles wants to get even bigger, so it’s giving automakers what amounts to an ultimatum. Starting in January, all major manufacturers operating in China — from global giants Toyota Motor and General Motors to domestic players BYD and BAIC Motor — have to meet minimum requirements there for producing new-energy vehicles, or NEVs (plug-in hybrids, pure-battery electrics, and fuel-cell autos). 

A complex government equation requires that a sizable portion of their production or imports must be green in 2019, with escalating goals thereafter.

The regime resembles the cap-and-trade systems being deployed worldwide for carbon emissions: Carmakers