In this earlier post I pointed to the Tesla Roadster. The Futurist is also pointing to the same...
What is this? GM has a bold move here with the Volt.
As the 42 volt bus makes its' appearance in cars soon and the price/performance of power chips really improves along with some other related technologies the incremental progress towards less petroleum required for transportation will accelerate.
Hold off calls for any grand plan from government (hear that Thomas Friedman - you have no idea how much change is already being worked on...) and great things will happen!