Supreme Court justices appeared ready to overturn a 90-year precedent that has limited presidents' authority to fire members of independent regulatory agencies like FERC.

The departure of Mark Christie as chair of FERC likely signals the end of the agency's longstanding independence.

The U.S. Supreme Court overturned the doctrine of Chevron deference to federal agencies in interpreting statutes when issuing rules, ending 40 years of legal precedent.

The Supreme Court ruled that EPA lacks authority to compel generation shifting to reduce CO2 emissions, citing a lack of “clear congressional authorization.”