Environmental groups led by the Natural Resources Defense Council sued the Trump administration on Tuesday over its decision to keep energy-efficiency requirements for household incandescent lightbulbs at their current level. With their lawsuit, advocacy groups asked a panel of federal judges to review the U.S. Energy Department’s decision in December not to raise energy-efficiency standards, a move that could have phased out incandescent bulbs and steered consumers to longer-lasting, but slightly costlier, LED…