Nationwide, the health benefits from reducing pollution from passenger cars fueled by gasoline could grow to $20 billion a year by 2050, according to a study by the American Lung Association of California. The state of New Jersey could save $ 4bn in healthcare and climate costs by 2050 if it can convince drivers to use electric vehicles , according to a study by the American Lung Association of California . Nationwide , the study found yearly health benefits from reducing emissions could account for $ 20bn in savings by 2050 . The reduced healthcare costs and projected climate expenses are based on the assumption that 80 % of new cars sold in 2050 would be zero - emission cars , and that approximately 65 % of on - road passenger vehicles would be zero - emission cars .
The state of New Jersey could save $ 4bn in healthcare and climate costs by 2050 if it can convince drivers to use electric vehicles , according to a study by the American Lung Association of California . Nationwide , the study found yearly health benefits from reducing emissions could account for $ 20bn in savings by 2050 . The reduced healthcare costs and projected climate expenses are based on the assumption that 80 % of new cars sold in 2050 would be zero - emission cars , and that approximately 65 % of on - road passenger vehicles would be zero - emission cars .