Insurance plans under the ACA have always offered subsidies, known as premium tax credits, that make them more affordable for people in lower-income households. What is set to expire at the year’s end is the “enhanced” set of subsidies put in place as a pandemic relief measure during the early Biden administration. Those subsidies meant that many more households could qualify for help paying their insurance premiums.The higher costs could drive an estimated 4 million people away from the marketplace, sendin ...