Audi, the inventor of TDI, blazes a trail in the field of engine manufacture. At the 27th annual Lake Worther Tour being held at the end of May in the Austrian province of Carinthia, the brand behind the four rings is showcasing this technology’s potential with a sensational study. The 2-litre TDI unit under the bonnet of the Audi A3 TDI clubsport quattro delivers 165 kW (224 hp) and musters up
