Topline :
What the rules said: Rules 1111 and 1121 would have required manufacturers to gradually start selling more zero-emissions furnaces and water heaters, rising to 90% by 2036. Traditional gas-powered appliances would have still been for sale, but manufacturers would have had to pay surcharges for those units, a cost they would be likely to pass on to consumers.
The background: For about two years, the South Coast Air Quality Management District, which regulates air quality across much of L.A., Orange, San Bernardino and Riverside counties, had been working to update regulations for gas furnaces and water heaters, as well as incentivize replacing them with less polluting electric appliances, such as heat pumps. Affected appliance manufacturers and utilities, such as SoCa