OKLAHOMA CITY (AP) — Public utility regulators from Oklahoma to Massachusetts are considering lowering the rates that homeowners and businesses pay for electricity and natural gas after a federal tax overhaul signed into law by President Donald Trump reduced the corporate income tax rate by 14 percent.

The tax overhaul that went into effect Jan. 1 lowers the highest corporate income tax rate from 35 percent to 21 percent. Now, regulators and consumer groups such as AARP are demanding that the rates consumers pay be rolled back.

Utilities are allowed to incorporate federal income tax obligation...