In June 2015, the US Environmental Protection Agency announced the second phase of fuel efficiency standards for medium and heavy trucks, which aims to reduce carbon pollution that leads to global warming. In the US, tractor trailer consumption averages between 33-36 litres/100km. The new proposal would reduce that to less than 27 liters per 100 kilometers by 2027.
This brief shows how the fuel efficiency of US trucks is increasing much faster than the fuel efficiency of trucks in the European Union. The effect of this is that American trucks are very likely to become the most fuel efficient in the world by early 2020 at the latest.
