http://mjperry.blogspot.com.au/2012/04/natural-gas-prices-fa...
As fracking takes off globally they'll probably decline even further.
Cars can run on natural gas. Many, perhaps even the majority of taxis do in Australia.
When people get self-driving cars whatever is most economic, natural gas, petroleum or electric power will be used.
http://mjperry.blogspot.com.au/2012/04/natural-gas-prices-fa...
As fracking takes off globally they'll probably decline even further.
Cars can run on natural gas. Many, perhaps even the majority of taxis do in Australia.
When people get self-driving cars whatever is most economic, natural gas, petroleum or electric power will be used.