النتائج (
العربية) 1:
[نسخ]نسخ!
Automobile Emissions StandardsUsing the marginal principle, the government should make the emissions standard stricter as long as the marginal benefit (savings in health-care costs and work time lost) exceeds the marginal cost (the cost of additional equipment and extra fuel used).
يجري ترجمتها، يرجى الانتظار ..
