From ceiling fans to refrigerators, the Department of Energy is updating appliance efficiency standards that would affect millions of consumers.

The Biden administration’s goal is to reduce climate-warming greenhouse gasses and save Americans billions of dollars a year in utility costs. But the administration is facing pushback from the natural gas industry, because some new standards would affect gas appliances. Conservative politicians and media have taken notice of the measures, too, and they’ve now made unsexy, technical appliance standards a flashpoint in the country’s culture war.