:... by 2025, you won’t be able to sell a car in the United States unless it is delivering twice as much mileage for every gallon of gas.”
He wants us all driving golf carts since that is the vehicle he is most familiar with.
Did you catch the “...middle of the next century..” part? If my calculations are correct, the middle of the “next” century would be 2150. I could be wrong though. As long as I demonstrate how I arrived at my conclusion, the answer doesn’t matter. HUH?