Policy & regulation

Carbon-free buildings

Massachusetts considers expanding effort to ban gas in new buildings

Lawmakers are weighing a bill that would allow 10 more cities and towns to prohibit the use of fossil fuels in new construction through an existing pilot program.

By Sarah Shemkus . 11 November 2025
Hydrogen

In Ohio, hydrogen industry presses on despite federal uncertainty

Trump has pulled billions in funding for hydrogen, a sector that was already on shaky ground. Projects in Ohio are chugging along anyway.

By Kathiann M. Kowalski . 6 November 2025
Solar

One North Carolina company’s plan for keeping rooftop solar going

Home solar tax credits expire this year, but through 2027 installers can pass on the savings from a separate incentive to customers who are willing to lease panels.

By Elizabeth Ouzts . 6 November 2025
Policy & regulation

NYC’s next mayor Zohran Mamdani has a big climate policy to-do list

The mayor-elect did not talk a lot about climate change on the campaign trail. But the city has major electrification plans that he can help accelerate.

By Alexander C. Kaufman . 6 November 2025
Clean industry

Boston’s century-old steam heat system is getting a low-carbon makeover

Boston and Cambridge’s decades-old district energy system is being retooled to shift away from gas and toward heat pumps and electric boilers.

By Jeff St. John . 5 November 2025
Policy & regulation

Ohio scrapped a key tool to fight air pollution. Advocates want it back.

The air nuisance rule has helped advocates rein in pollution from coal-burning plants and other facilities. Without it, air quality could worsen.

By Kathiann M. Kowalski . 5 November 2025
Distributed energy resources

Puerto Rico’s energy future: distributed solar or centralized grid?

A judge has called for the Trump administration to reevaluate assumptions as it works to redirect rooftop solar funds toward the grid and fossil fuel infrastructure.

By Kari Lydersen . 4 November 2025
Heat pumps

The loophole that could give clean heat a boost under Trump

The OBBBA killed tax credits for heat pumps, but kept them for commercially leased geothermal and thermal storage systems — a path to keep home clean heat rolling.

By Jeff St. John . 3 November 2025
Sponsored

States can build flexible, affordable, and clean energy even with federal headwinds

With federal support for clean energy uncertain, states are charting their own path forward. Advanced Energy United’s new playbook offers lawmakers practical tools to build flexible, affordable, and resilient energy systems that meet rising demand.

By Canary Creative . 3 November 2025
Energy storage

Illinois lawmakers just passed another big clean-energy bill

Batteries are the centerpiece of the state’s third major piece of energy legislation in a decade. The governor has pledged to sign the bill.

By Kari Lydersen . 31 October 2025