By 2040, these states—California, Colorado, Maine, Maryland, Massachusetts, New Jersey, New York, Oregon, and Rhode Island—are aiming for 90 percent of those shipments to be heat pumps.
The coalition’s announcement comes just months after the federal government doubled down on its own commitment to heat pumps, announcing $169 million in funding for the domestic production of the systems.
These are the states, and the article doesn't seem to go into detail on what the actual programs are in each state. However, i only skimmed the article