US President Donald Trump is considering the reversal of Obama - era restrictions on fuel efficiency and freezing requirements at 2020 levels until 2026 , potentially leading to the consumption of an additional 206 billion gallons of petrol in the US by 2020 . The proposed measures also include prohibiting California from setting tougher limits than those imposed at a federal level . The proposals are set to be announced after separate meetings with federal House officials , trade group the Alliance of Automobile Manufacturers and the California Energy Safety Board .
US President Donald Trump is considering the reversal of Obama-era legislation on fuel efficiency and freezing requirements at 2020 levels until 2026, potentially leading to the consumption of an additional 206 billion gallons of petrol in the US by 2050. The proposed measures also include prohibiting California from setting tougher standards than those imposed at a federal level. The proposals are set to be announced after separate meetings with White House officials, trade group the Alliance of Automobile Manufacturers and the California Air Resources Board.