Electric cars future - global warming impact?

Future Electric Cars
Future electric cars. Held back by battery technology innovation. Lead acid and now nickel cadmium. Charging time, capacity, miles and energy efficiency. Global warming – where does the electricity come from? Zero emissions in cities but same emissions maybe from power generator elsewhere. Tax savings on electric cars. Manufacturers and size of market for electric cars. Electric car taxation and running costs. Efficiency and impact on environment.
Electric cars, vehicles, lorries, vans, transport, transportation, battery, capacity, market. Dr Patrick Dixon, Futurist and author of 12 books on global trends including Futurewise and Building a Better Business.