Small cars were out; big ones — and often really big ones — were in. How it’s goingBut these big trucks and SUVs can be deadly. That’s because big trucks and SUVs are not only popular but also better moneymakers than smaller vehicles. Due to their more stringent regulations, small cars became more expensive to manufacture, while trucks and SUVs became cash cows. Paris, in particular, uses weight taxes and higher parking fees to discourage drivers of big cars from entering the city.