David Shaffer

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David Shaffer

Reporter | Energy and business

Phone: 612-673-7090

Email: david.shaffer@startribune.com

David Shaffer is a veteran reporter and editor for the Star Tribune, with more than three decades of experience on daily newspapers.
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Ethanol firm Gevo to buy back $15M of its stock

Gevo's action is seen as a signal that the technology bugs will be worked out.

Updated: January 02, 2013, - 09:38 PM

Imation buys data company Nexsan

Purchase of California firm for $120 million expands Imation's push into data storage for business customers.

Updated: January 02, 2013, - 09:26 PM

Swanson: Curtail interim rate hikes

Minnesota's attorney general wants utilities to prove their cases for higher rates before any increase is granted.

Updated: December 31, 2012, - 06:49 PM

Minnesota's iron ore output rises

This was the third year in a row that iron ore production increased in Minnesota - but a softening is forecast for 2013.

Updated: December 27, 2012, - 09:07 PM

Tribe to get hearing on Prairie Island nuclear waste concerns

A federal panel will consider some of the issues raised by the nuclear plant's neighbors.

Updated: December 26, 2012, - 09:04 PM

Erwin Tomash: Early high-tech computer visionary

Minnesota technology pioneer Erwin Tomash helped develop and sell one of the early computers used by business, founded a major printer and peripherals company and left behind an endowed institute to study the history of information technology.

Updated: December 22, 2012, - 07:15 PM