You consume 500 gallons of gasoline per year in your car 1 gal = 3.7879L. Presume that gasoline can be represented as consisting completely of C8H18. Gasoline has a density of 0.85 g cm- 3. Presume that combustion of CgH18 leads to CO2 and H2O. Explain how many kilograms of CO2 does your driving contribute to the atmosphere each year?