The age of the plug-in hybrid electric vehicle (PHEV) that can charge from a power point and fill up at the service station appears to be drawing to an end, at least in Australia. The latest industry figures show EVs accounted for a record 9.4 per cent of new car sales in June, up from 1.7 per cent a year earlier. Key points: Plug-in hybrids once dominated EV sales, but have now slipped to 6 per cent of the total Plug-in hybrids once dominated EV sales, but have now slipped to 6 per cent of the total A series of…