( http://www.TFLcar.com ) Audi is doubling down on Diesel cars with the American intro of the new 2013 A6, A7, A8 & Q5 diesel cars at the 2012 Los Angeles Auto Show. The new cars come with a new aluminum 3-liter V-6 diesel engine that produce 240 horsepower and 406 pound-feet of torque.  Audi says the new powerplant is 40 pounds lighter than the previous diesel engine and it also claims a combined 28 MPG for the flagship diesel A8. In this exclusive TFLcar video check out the debut of the new cars to see what the future holds for Audi diesel technology.