Its development has made use of advanced technology from the world of Formula 1: the battery is the first result of the co-operation between Mercedes-AMG GmbH in Affalterbach and Mercedes AMG High Performance Powertrains (formerly Mercedes-Benz High Performance Engines).

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The Detroit News and Detroit Free Press both reported Friday that GM is moving the engineers -- who have been working on the fuel-cell technology in the company's advanced development laboratories division -- to the company's core production engineering division, which designs vehicles to be brought into production.

CNN: GM takes step toward fuel-cell car

Less money in the fee kitty translates into fewer support staff, less advanced technology systems, and less money for research and development of new store formats or products.

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