(CNN) — Several states are suing over President Trump’s rollback of regulations on light bulb efficiency.
The Trump Administration overturned the Obama-era requirements in September, before they even took effect.
The administration argued it’s not weakening the standards because they were never in place.
It also said the Obama-era rules would cause light bulb prices to spike “by almost 300 percent”. Environmental groups say that’s not true.
More than a dozen Attorneys General filed a parallel lawsuit on Monday.