Combining the joy of driving a new Audi with sustainability is something the automaker has been busy working on. Two family lines, the "g-tron" and the "e-tron," have been developed to help increase fuel economy without decreasing driving fun, engine power, or vehicle performance. Let's take a look at some of the vehicles that have accomplished this.

The e-tron family looks to promote electrics into the engine, either as a hybrid or an all-electric…

Audi has found a way to integrate their brand into the lives of the important and challenging 18-35 year old demographic. For three years now Audi has shared its technologies with car enthusiasts in this age group via the popular Playstation 3 gaming system.