AAH #232 - Water Your Diesel and Watch it Grow

UP FOR DISCUSSION:- Geneva auto show hits and misses.- Cadillac's anti-Occupy ad.SPECIAL GUEST: Calvin Visser, Fierce Fuel Systems- Can the answer to diesel's woes be as simple as H2O?All that and more with John McElroy, Autoline.tv; Gary Vasilash, Automotive Design and Production; and Frank Markus, Motor Trend