Sport utility vehicle body and tall interior packaging, a high seating position and center of gravity, and available all-wheel drive for off-road capability. Some SUVs include the towing capacity of a pickup truck with the passenger-carrying space of a minivan or large sedan. The traditional truck-based SUV is more and more being supplanted by unitary body SUVs and crossovers based on regular automobile platforms for lighter weight and better fuel efficiency. In some countries, notably the United States, SUVs are "not" classified as cars, but as "light trucks". SUVs overtook lower medium segment cars to become the world's largest automotive segment in 2015,
Criticism of sport utility vehicles and SUVs were "characterized by a poor environmental performance." Another study found that family size internal combustion vehicles still produced fewer emissions than a hybrid SUV. Various eco-activist groups, such as the Earth Liberation Front or Les Dégonflés have targeted SUV dealerships and privately owned SUVs due to concern over increased fuel usage. In the US, light trucks and SUVs are held to a less-strict pollution control standard than passenger cars. In response to the perception that a growing share of fuel consumption and emissions are attributable to these vehicles, the Environmental Protection Agency ruled that by the model year