The video above is from the BBC show Top Gear which screens on SBS here in Australia. The video starts off with Jeremy Clarkson talking about the Mazda RX 8 then crossing over to a cover story by James May about the General Motors Hydrogen Fuel Cell concept vehicle.The Hy-Wire has been outdated now by a new concept vehicle from GM - The Sequel
GM in the US also have a range of alternative fuel vehicle options see here
Maybe one day soon we will see more of these options becoming available here in Australia.