>Car size has not been increasing because of safety regulations Not exclusively, no. But a regulatory regime considering only occupants' safety and not the saf

>Car size has not been increasing because of safety regulations Not exclusively, no. But a regulatory regime considering only occupants' safety and not the safety of the other party in crashes is inherently biased towards larger vehicles. And various other regulations favor large SUVs/trucks over cars, from historical fuel efficiency rules to more recent depreciation schedules.