In real life, the system is screwed, and vehicles are not measured just by their energy consumption, but by their energy consumption compared to other vehicles of similar weight, so in the end there are heavy SUVs with much better ratings than compact cars.
In real life, the system is screwed, and vehicles are not measured just by their energy consumption, but by their energy consumption compared to other vehicles of similar weight, so in the end there are heavy SUVs with much better ratings than compact cars.
This is one of the reasons why car companies love selling SUVs in the US. They have looser emissions standards.