Researchers identified more than 1,400 local policies across 157 cities addressing clean energy, building efficiency and extreme heat preparedness, according to a new study. The findings come as the Trump administration has restricted states from using Inflation Reduction Act rebates to help homeowners replace fossil fuel appliances with heat pumps.
fastcompany.com
· 2026-09-22
A new executive order prohibits installing foreign-produced bulk-power system equipment deemed a national security threat, explicitly naming battery energy storage systems, inverters and transformers. This follows earlier measures including 2022 tax credit restrictions tied to sourcing of battery minerals and components, a 2025 rule requiring 55% non-Chinese materials for storage projects starting in 2026, and tariffs on batteries that rose to 25% from 7.5% in January.
technologyreview.com
· 2026-09-10