The approval comes more than 14 months after the Obama administration approved a waiver from the ethanol industry to increase the allowable limit from 10 percent to 15 percent.
Energy + Environment
Bloomington’s Ikea goes solar this summer.
Xcel Energy reportedly plans to spend $20 million to $50 million on safety upgrades to its two nuclear plants, a year after Japan's tsunami disaster that led to a nuclear catastrophe.
The manufacturing giant, in partnership with a large natural gas producer, intends to develop less-expensive, higher-performance, lighter, and higher-capacity fuel tanks-which it hopes will jump-start the market for natural gas-fueled vehicles.
HydroNovation develops water-conditioning systems that reduce the amount of potentially hazardous substances and minerals in order to create high-quality drinking water for homes and buildings.
Xcel says that a new federal regulation that is supposed to reduce coal-fired power plant emissions does not give the company enough credit for emissions it has already reduced at two plants in the Twin Cities.
Dennis DeSender admitted to fraudulently soliciting investors to fund a venture to sell coal-gasification technology to China-and he reportedly implicated a former officer of Bixby Energy Systems in the alleged $60 million scheme.
Ben Fowke, who most recently served as president and chief operating officer, replaces Richard Kelly as chairman and CEO.
AT&T will partner with Digi International to deliver the Minnesota company's smart grid technology, which allows consumers, businesses, and utilities to monitor energy usage and adjust their consumption accordingly.
Three remodeling projects celebrate the clean lines of old buildings.
Magnetation, a company with new technology for producing iron from used ore, recently entered a joint venture with Cargill and plans to open its new plant in northern Minnesota in May.
The new company plans to acquire or develop clean energy projects and is initially targeting capital projects in the range of $50 million to $150 million.
Business worries that politics will get in the way.
A projected global shortage of fresh water will be a big issue for business. For some Minnesota companies, it already is. Here’s how they size up the risks and opportunities.
People want solar power. Solarflow Energy wants to help them overcome the barriers to getting it.
Verified Green guides builders through the “green” jungle.
Two start-ups and a new incentive program mark the dawn of a new industry in the state.
With soy-based BiOH, Cargill makes its next move into a greening polymers industry.