At the U.N. climate change summit, fourteen world cities, including Sydney, vowed to work together over the next year to make their cities more "plug-in ready" for electric vehicles.

The other cities which acmmitted to becoming ready for electric vehicles are Los Angeles, Chicago, Houston, Toronto, London, Mexico City, Hong Kong, Bogota, Buenos Aires, Sao Paolo, Delhi, Seoul and Copenhagen.

Sydney Lord Mayor Clover Moore said Sydney will fast-track the uptake of electric vehicles by establishing charging stations and converting car fleets. She said the City of Sydney Council wanted to set up the first public charging stations before the end of next year.