David Shaffer

Reporter | Energy and business
Phone: 612-673-7090
David Shaffer is a veteran reporter and editor for the Star Tribune, with more than three decades of experience on daily newspapers.

Recent content from David Shaffer

Gevo biofuel produced in Luverne, Minn., passes Army helicopter test

Gevo Inc., which produces an alternative alcohol in a former ethanol plant in Luverne, Minn., said Monday that the Army...

Updated: December 23, 2013, - 08:46 PM

Taking a giant green gamble on biogas

In Le Sueur, waste from a vegetable processing plant is being turned into fuel used to make electricity.

Updated: December 21, 2013, - 06:43 PM

AARP vows to fight CenterPoint rate hike

The advocacy group for older people the proposal hurts those who use less natural gas.

Updated: December 20, 2013, - 08:51 PM

Big ethanol plant in Fairmont, Minn., is reopening

The plant, mothballed since September 2012, is reopening after being bought by the nation’s fourth-largest ethanol producer.

Updated: December 19, 2013, - 09:28 PM

Minnesota regulators to study power-sector pollution costs

Minnesota utility regulators on Thursday agreed to take a fresh look at whether the price of pollution is accurately reflected...

Updated: December 19, 2013, - 08:45 PM

Obituary: Marty Knutson flew U-2 spy planes over Russia

Martin (Marty) Knutson, who flew U-2 spy planes over the Soviet Union during the Cold War and later led NASA’s...

Updated: December 18, 2013, - 07:50 PM

Tainted peanut butter case delayed

The tri­al of form­er Geor­gia pea­nut plant own­er Stew­art Par­nell and three of his employees for sell­ing taint­ed pea­nut but­ter...

Updated: December 15, 2013, - 02:00 PM

North Dakota crude oil gurgles toward 1 million barrels per day

After a sluggish increase in September, October's daily barrel production sets another record. Only two other places in the country — Texas and the separately counted Gulf of Mexico — exceed 1 million barrels per day.

Updated: December 14, 2013, - 07:01 AM

State regulators approve another Xcel electric rate hike: 4.6%

It's the sixth increase in eight years for Xcel's electric customers in Minnesota. Some consumer advocates say it's just too many.

Updated: December 12, 2013, - 09:21 PM

Otter Tail customers will pay for pollution controls

For a typical residential customer, the increase will amount to $2.77 per month.

Updated: December 12, 2013, - 09:21 PM

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