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I'll be long gone before any of that happens.
I think it will happen in some places much faster than most pundits expect. While it would take at least 20 years to phase out automobiles alone due to production capacity I expect more affluent urban hubs such as London, Munich, Paris, San Francisco, Los Angeles, Doha,.. to make rather swift transitions. The shift from horses and streetcars to personal motorcars in 20th century was amazing fast. In NYC the paradigm shift took place over just a few years. Just as there was massive political will to "clean up" NYC and replace horses there is massive political will in many countries to shift to electric transport. Individual electric cars have a number of central problems such as range that fleets of shared electric vehicles don't have. BMW, for example, in the context of their electric car development has been busy building a car sharing business ("Drive Now"). German Rail (Deutsche Bahn) has created not just a network of shared bicycles ("Call a bike") but also shared autos (Flinkster). With a German government target of 1 million electric cars by 2020...
I'll be long gone before any of that happens.