Tiguan concept car with plug-in hybrid drive: New solar roof enables additional zero-emission kilometres - 218-PS Tiguan GTE has an combined fuel consumption of just 1.9 l/100 km - Innovative solar roof module generates energy for up to 1,000 km annually - Plug-in hybrid – concept car with solar roof Demonstrating the future directions the Tiguan might take is the Tiguan GTE – the first plug-in hybrid SUV from Volkswagen, which the brand is…