Each time the Department of Energy (DOE) finalized regulations targeting popular home appliances—including stoves, clothes washers, refrigerators, and water heaters—over the last several months, the agency included a similar line in the announcement: The new rules were crafted with the help of recommendations from a "wide range of stakeholders." According to the DOE, the stakeholders included industry partners and consumer advocacy organizations. A Washington Free Beacon review, however, shows 7 out of the 10 stakeholders whose recommendations DOE consulted are climate activist groups or left-leaning consumer groups. Those groups collectively boast substantial financial backing from grantmaking nonprofits that regularly funnel...