Tony Posawatz
, the longtime General Motors executive who became vehicle line director of the Chevrolet Volt extended-range plug-in, retired from the U.S. automaker after more than a quarter-century with the company, Green Car Reports reported.

Posawatz was appointed to the position in March 2006 and was often the public face of GM's effort to develop its first production plug-in. He is reportedly stepping down to spend more time with his family.

Posawatz began working for GM in 1980, and the company put him though Dartmouth's Tuck Business School. He had worked on developing both full-size trucks and mid-size passenger vehicles for GM before moving on to the Volt. Sales for the plug-in have picked up momentum in recent months – the model tripled its June sales from a year earlier and has moved 8,817 units through the first six months of the year, which is more than GM sold all of last year.

As of late Thursday, Posawatz was still listed on the executive committee for the Electric Drive Transportation Association.

Chevrolet Volt Information

Chevrolet Volt

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