David mentioned that increased gas production in the US, coupled with the difficulty exporting it, have driven gas prices down in the US. Lets see if BPs data on gas prices supports this claim.

This is a multi-part problem. Fill in all boxes before submitting your answer.

What was the percentage difference between US gas prices and German gas prices in 1997? Answer with a negative sign if the US prices were lower. If the US price was $20 and the German price was $22, you would answer -9% (since 20/22 - 1 = -9%)

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How did US gas prices in 2014 compare with German prices? Answer with a negative sign if the US prices are lower. If the US price was $20 and the German price was $22, you would answer -9% (since 20/22 - 1 = -9%)