Illinois is on track to become the first Midwest state to require new homes pass a blower door test and meet rigorous new standards for air tightness and insulation.

An eagle with an injured wing on display at the Minnesota State Fair in 2008. (Photo by Pete Markham via Creative Commons)
Minnesota regulators last week rejected a wind farm developer’s ...

Scenarios are emerging in which coal can no longer be assumed the most cost-effective option for utility ratepayers.

Signs of what U.S. Transportation Secretary Ray LaHood has called a “streetcar revival” are popping up all over the country.

A new study by a Michigan State University economist shows that even when E85 prices exceed gasoline prices, some flex-fuel vehicle owners in Minnesota continue buying the higher-blend ethanol.

The expansion of an aluminum factory in Iowa is an example of how the economic benefits of rising fuel-economy expectations spread across the Midwest and well beyond Detroit.

Colleges and universities in the Midwest and nationally are increasingly adopting onsite renewable and clean energy as a way to promote sustainability and research, and reduce carbon footprints and utility bills.

Wisconsin's politically contested wind-turbine siting rules would quietly go back on the books if the state's legislature doesn't take up the issue this session.

SageGlass, a Faribault, Minn., company that makes energy-saving tintable window glass, is preparing to open its new high-volume, manufacturing plant before the end of the year.

The wind industry continued to expand in 2011, but industry officials said the momentum is likely to come to an abrupt halt if a crucial tax incentive is allowed to expire this year.