To prevent major problems with climate change, it is believed that global

CO_(2)

concentration shouldn't double over the next 50 years. This amount corresponds to

8\\\\times 10^(15)gCO_(2)

globally. Assume an average population of 7.5 billion people over this period and consider that

30%

of the

CO_(2)

allocated per person would be used for personal transportation by car. A car in 2012 has a fuel efficiency of 26.4 MPG and emits

337gC(O_(2))/()

mile.\ Considering the current average of 12,000 miles/person/yr in the United States. What percent of the worldwide population could drive at the US level if fuel efficiency remains the same for the next 50 years?\ Assuming that

50%

of the global population wants a car, what would be the required fuel efficiency of cars to meet the

CO_(2)

target?\ If fuel economy could be increased to 50 MPG, how far could each two-person car drive?\ [ Select ]\ Question 12\ 0 pts

To prevent major problems with climate change, it is believed that global CO2 concentration shouldn't double over the next 50 years. This amount corresponds to 81015gCO2 globally. Assume an average population of 7.5 billion people over this period and consider that 30% of the CO2 allocated per person would be used for personal transportation by car. A car in 2012 has a fuel efficiency of 26.4 MPG and emits 337gCO2/ mile. Considering the current average of 12,000 miles/person/yr in the United States. What percent of the worldwide population could drive at the US level if fuel efficiency remains the same for the next 50 years? Assuming that 50% of the global population wants a car, what would be the required fuel efficiency of cars to meet the CO2 target? If fuel economy could be increased to 50 MPG, how far could each two-person car drive