Question

When a car uses a gallon of gas, how much carbon dioxide is emitted into the environment?

Answer 1

that is not an option

Answer 2

Not sure what units you need, but check this table: it lists CO2 emissions per gallon of gasoline, if you look at the gasoline row

https://www.eia.gov/environment/emissions/co2_vol_mass.php

Answer 3

thank you