The current Republican administration is taking steps to weaken EPA's greenhouse gas (GHG) emission standards for cars and light trucks. One of the stated reasons is that lower fuel prices make it more difficult for automakers to comply with the regulations. However, car companies are already well on the way to re-engineering their vehicles to cut emissions through higher fuel economy. Fuel prices are a fickle friend when it comes to the crucial long-term quest to cut climate-disrupting GHG emissions. So that's all the more reason to keep strong standards in place, as explained in this recent piece
published on The Conversation.