The human body was actually designed for walking, but how often do people walk these days, there is 17.6 million motor vehicles in Australia & people use these vehicles like they are all disabled, they can't walk properly so they choose to use a motor vehicle instead of walking, they can't run so they use a motor vehicle instead. Australia is a nation of disabled people, a nation where machines take precedence over human health. We all know what future there is with these machines, either they will all crash & burn unless renewable energy infrastructure is constructed & new kinds of machines are built. And perhaps robots like ASIMO will become ever more present conducting all kinds of labors for humanity.
http://en.wikipedia.org/wiki/List_of_countries_by_vehicles_per_capita
http://www.indymedia.org.au/2014/07/24/car-free-towns-car-free-cities
http://www.indymedia.org.au/2014/06/03/a-new-direction-for-renewable-energy
