Currently there is a requirement that fleet averages have to be below 100g/km for CO2, soon that falls down to 75g/km and then 50g/km. To see how these norms a

Currently there is a requirement that fleet averages have to be below 100g/km for CO2, soon that falls down to 75g/km and then 50g/km. To see how these norms are effectively impossible to meet with ICEs, note that these translate to fuel efficiency of 4, 3, and 2 liters/100 km, or for American folks, 58, 78, and 117 mpg respectively.