A memorandum of understanding announced Feb. 7 sets a goal of heat pump technology comprising 65% of residential heating, cooling and water heating equipment sales by 2030.

California regulators are awaiting approval from the EPA for a rule that would require an increasing percentage of trucks sold in the state to be zero emission.

Nevada Gov. Steve Sisolak has signed on to a multistate agreement to work toward a goal of 100% sales of zero-emission medium- and heavy-duty trucks by 2050.