Just months after a Biden-appointed regulator teased a ban on gas stoves, the administration is working to enact a rule that would prohibit the manufacturing of nearly all portable gas generators on the U.S. market. A proposed Consumer Product Safety Commission rule limits the amount of carbon monoxide a product can emit, with the commission admitting that 95 percent of portable gas generators on the market cannot comply with its new standard. As a result, industry leaders say, the rule will prompt widespread generator shortages, as manufacturers only have six months to design generators that meet the proposed regulation. That...