Some of it is money. Installiing California emission equipment to all vehicles would cut pollution a lot... But if it raised vehicle cost by 50%, no one could a

Some of it is money. Installiing California emission equipment to all vehicles would cut pollution a lot... But if it raised vehicle cost by 50%, no one could afford it. I think we know how to fix it, but no one wants to start taking cars away from people or raising the prices 50%.