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Oil prices bounced higher this week after OPEC agreed to cut production by 1.2 million barrels a day. Russia also said it would cut output. Despite the recent gains, questions still abound on how (and whether) the supply curbs will be fully implemented.

Longer-term, the election of Donald Trump is also seen giving a boost to investments tied to fossil fuels, following a prolonged decline in prices.

Amid the volatility, consider the results of major energy funds both year-to-date and over the past five years.

For advisers or clients hoping to play the energy sector, MLPs dominated the best performers, which can offer tax advantages as well as higher income potential than many other investments.

All data is from Morningstar. Many funds have additional share classes that may come with a slightly higher expense ratio, but also a vastly lower minimum investment.