Audi Q7 E-tron 3.0 TDI Quattro Combines Diesel Hybrid Tech and Luxury
Audi is no stranger to diesel hybrid technology, as proven by the R18 e-tron. While not as extreme as that race car, the Audi Q7 e-tron 3.0 TDI quattro, which debuts at the 2015 Geneva motor show, will stand out in the luxury crossover segment thanks to i...