TOPEKA, Kan. (AP) — Kansas lawmakers are grappling with the state’s possible response to new federal rules aimed at reducing carbon emissions from power plants.

Lawmakers expressed frustration Thursday with the regulations at the first meeting of a committee created earlier this year to review any plan for complying with the rules.

The U.S. Environmental Protection Agency told states earlier this year that by 2022, they must start reducing carbon emissions linked to climate change. The EPA’s target for Kansas is a 43 percent reduction by 2030.

Kansas is expected to submit its initial plan, along with an extension request, in September 2016.

The Kansas attorney general’s office plans to challenge the federal rules in court after the final rule is published.