Goodyear has unveiled a larger and faster new blimp and is asking the public to help name the advanced machine. Get all the latest car biz news in the Executive Briefing. 

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+   EcoMotors, Inc. of Allen Park, MI has acquired the famed engine development company Katech, Inc. in Clinton Township for an undisclosed price. More at MLive.com.

+   Chrysler Group LLC has officially started production of the Alfa-based 2015 Chrysler 200 at its Sterling Heights, MI plant. More at The Detroit News.

+   Veteran Indy 500 and USAC driver Gary Bettenhausen has passed away at age 72. More from Robin Miller at Racer. 

+   Racing a Riley-Ford, Chip Ganassi Racing won the Sebring 12 Hours in its first attempt with drivers Scott Pruett, Memo Rojas, and Marino Franchitti. More at USA Today.

+   Goodyear Tire & Rubber Company has unveiled a new, larger, and faster Goodyear Blimp with advanced technology and capabilities. More at Motor Trend.

+   Jack Trepanier, general manager of Rad Rides by Troy in Manteno, IL and father of noted car builder Troy Trepanier, has passed away at 70. More at Goodguys News.

+   Alex Tagliani has joined Sarah Fisher Hartman Racing to drive in the Indianapolis 500 in May. More at National Speed Sport News.

+   Nissan and Daimler AG have agreed on a 50/50 joint venture to build Infiniti and Mercedes-Benz branded vehicles in Mexico. More at Reuters.

+   Ferrari plans to open a second theme park called Ferrari Land at the PortAventura resort destination just outside Barelona, Spain. More at Autoblog.com

+   At the season-opening Australian Grand Prix, second-place finisher Daniel Ricciardo was disqualified when his Red Bull F1 racer was determined to have exceeded fuel-flow regulations. More at The Sydney Morning Herald.

For the previous Executive Briefing from March 14, click here.

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