The main talking point at this week's Geneva car show is likely to be a vehicle that may never be built: the Apple car.
The world's automakers will gather in the Swiss city to tout their latest minivans, city cars and sport utility vehicles against an uncertain market backdrop, with growing signs of recovery in Europe offset by slowing demand in emerging markets.
But longer-term worries are also looming large. Reports that technology giant Apple may be building a car have got established automakers, who have spent the past 127 years refining the combustion engine, wondering whether they are still in pole position to build the car of the future.