First quarter sales are out, and Toyota outsold two other global automakers to retain its top spot. The CEO of Maserati agrees with a new study that says the carbon footprint of EVs may not be better than gasoline powered cars. Mazda scores its first victory using the SKYACTIV-D Clean Diesel engine in the Mazda6. All that and more, plus host John McElroy responds to your questions and comments in this week’s edition of You Said It!