Quick -- when did the U.S. hit peak oil? And which oil companies currently work with Russia?

In part two of today's "Where the Money Is", the Motley Fool energy analysts test your knowledge of the energy sector. This isn't just trivia, though -- the answers to these questions expose aspects of the energy business you may not have thought much about.

Tune in to test your knowledge, and compare your results with others in the comments section.