There are many different strategies for reducing anthropogenic emissions of carbon. Determine whether the given strategy is an example of 1) energy efficiency and conservation; 2) a change in energy source; 3) a change in transportation energy source; or 4) an increase in natural carbon sinks.A recently passed law requires that, by the year 2020, at least 20% of the new cars sold in the country of Gotlandia must run on biofuels.
A. Energy efficiency and conservation
B. Change in energy source
C. Change in transportation energy source
D. Increase in natural carbon sinks
E. This is not a strategy to reduce carbon emissions
Answer: C
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