Audi launches title defense in the WEC
- 2013 FIA World Endurance Championship starts at Silverstone
- WEC season opens in UK, Europe’s second-most important market
- Thrilling hybrid duel expected with Toyota
Last year, Audi won the FIA World Endurance Championship (WEC) at Silverstone. April 14 will mark the beginning of the “title defense” objective with the further developed Audi R18 e-tron quattro hybrid sports car at the 6-hour race on the tradition-steeped English race track.