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

June 6: Xcel plan raises rate for energy hogs

Advocates say the proposal, which must be OK’d by the Public Utilities Commission, will promote conservation.

Updated: June 23, 2014, - 10:05 AM

Minnesota could face bigger carbon-reduction hurdle

Regulators and utilities are still parsing a complex greenhouse gas rule proposed by federal regulators.

Updated: June 21, 2014, - 04:40 PM

N.D. oil production tops 1 million-barrels-a-day milestone

Oil production in North Dakota has boomed over the past six years, and finally passed the 1 million barrel per day mark in April.

Updated: June 17, 2014, - 11:08 PM

In Bemidji, a research site reveals secrets of an oil spill

The site of a pipeline rupture has become a research center unlike any other in the world.

Updated: June 15, 2014, - 07:12 PM

Some Silicon Energy panels made in Minnesota are cracking, discolored

Silicon Energy halted production as it analyzes why some panels have cracked or are discolored.

Updated: June 13, 2014, - 10:35 PM

Judge backs expansion of Alberta Clipper oil pipeline across Minn.

The upgrade would expand or add new pumping stations to increase the line’s capacity by 40% to 800,000 barrels per day. The pipeline runs 285 miles through northern Minnesota.

Updated: June 12, 2014, - 08:33 PM

For Minnesota's pristine wetlands, N.D. oil boom is new threat

A remote wetland near Itasca State Park, already undercut by three crude oil pipelines, is one of several fragile, isolated habitats along the proposed path of the 610-mile Sandpiper crude oil pipeline across northern Minnesota.

Updated: June 09, 2014, - 03:17 PM

Minnesota utilities on track to meet EPA's coal emissions reductions

The EPA cited the state’s efforts as an example for others to follow as new regulations regarding greenhouse gases and clean energy goals are set.

Updated: June 03, 2014, - 05:42 AM

In St. Paul, EPA chief touts energy efficiency to cut greenhouse gases

In a glimpse into the Obama administration’s approach to curbing greenhouse gas emissions from power plants, the U.S. Environmental Protection...

Updated: May 28, 2014, - 10:21 PM

2 northwestern Minnesota towns still without gas after pipeline rupture

A rupture of a natural gas pipeline in northwestern Minnesota cut gas supplies to 900 customers in the cities of...

Updated: May 27, 2014, - 09:35 PM

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