It’s international quiz time on the Marketplace Morning Report. Stephan Richter, editor-in-chief of the online international affairs magazine, The Globalist, brings us the question below. 

If the Obama administration’s fuel efficiency standards, which are set for 2025, were enforced today, how much less money would each American driver spend per year on gasoline?

a. 55% less
b. 48% less
c. 16% less
d. 1.5% less

Scroll down to see the answer and click on the audio player above to hear more about the impact of fuel economy standards.

Answer: a. 55% less, assuming fuel prices stay around $3.50 per gallon.