 switching from oil, gas, and coal will bring the same or better returns for Maine retirees, Light says, and would limit the system's risk as the public turns away from fossil fuels. So in the future, it's not going to be the safe return on their investments that they see. Folks are trying to electrify their homes. They're trying to electrify their vehicles. They're really, as a whole, moving away from big oil and gas.