Jul 29 2018, 12:26 AMJul 30 2018, 3:00 PMJuly 29 2018, 12:26 AMJuly 30 2018, 3:00 PM
An undated draft policy from the National Highway Traffic Safety Administration and Environmental Protection Agency could see Obama - era automobile efficiency mileage targets frozen , and claims the roll backs will lead to more oil consumption at a rate of 300 barrels per day . The 700-page proposal says freezing mileage targets from 2020 until 2020 would " reduce societal inequality " by half a trillion dollars and increase road safety - claims that have been rejected by the Natural Resources Defense administration . In addition , the proposal suggests revoking California 's ability to reduce its carbon dioxide emissions .