New Zealand businesses need to be preparing for world where there is a price on carbon in the major emitting economies.

They also need to prepare to report the level of carbon in their products to all major world retail chains, a business group was told in Auckland this afternoon.

Can electric vehicles, and electric transport in general, solve the problems of New Zealand's transport system? Are they the answer to worries about a world running out of oil and choking in the by-products of using fossil fuels? Is an electric car coming to your driveway?