What A Diesel Export Ban Could Change For Oil And Gas ETFs

You can line up a few oil and gas ETFs and they all look the same at first glance. Similar tickers, similar labels, same story. Pick one without checking what it actually owns and you can end up holding a very different bet than you thought, especially when fuel markets get political. The oil industry is already warning that a possible diesel export ban being discussed by the Trump administration could lift fuel prices if it goes ahead and if global buyers cannot easily replace that supply.

That potential squeeze on refined products links back to upstream drillers, midstream pipelines and even alternative energy plays in different ways. XOP, MLPX and URA all sit on that same theme from very different angles, which makes them a useful trio to explore before you choose where your money goes.

Who gets paid whatever the oil price does? Explore 80 US oil and gas pipeline operators that own the pipelines and terminals the barrels have to move through.

State Street SPDR S&P Oil & Gas Exploration & Production ETF (XOP)

Holdings: 51 | In oil and gas: 100% of the fund

This ETF leans into refiners like PBF Energy at 3.87% and HF Sinclair at 3.51%, with Marathon Petroleum and Valero Energy close behind. Those businesses sell diesel and other fuels, so any export ban that tightens global supply could widen or compress their refining margins, depending on how crude and end user prices move relative to each other. With the combined top two under 10%, the fund spreads its money thinly and evenly across 51 holdings, so a single refiner shock has limits on how much it can drive the whole basket.

You are still heavily tied to the economics of oil, gas and refined products, though. Investors who want less commodity sensitivity might find that this ETF keeps their portfolio more exposed to fuel pricing swings than they would like.

→ See how XOP’s returns compare with the market, from one week to five years

Global X MLP & Energy Infrastructure ETF (MLPX)

Holdings: 29 | In oil and gas: 96.2% of the fund

The Williams Companies at 8.56% is a big natural gas pipeline operator, which means this ETF leans on the tolls collected for moving molecules rather than the price of the fuel itself. TC Energy at 8.25% and Enbridge at 7.97% add more large pipeline and storage systems, while Kinder Morgan at 7.83% rounds out a concentrated top group. If a diesel export ban pushes refiners and producers to shift product flows, these networks can stay busy as barrels and gas molecules are rerouted instead of shut in.

Those businesses still feel it if oil and gas volumes stall or projects are delayed. Your outcome depends on energy companies continuing to ship enough through these pipes and terminals to support stable cash flows over time.

→ Uncover whether MLPX has kept pace with the market over the past week, year and five years

Global X Uranium ETF (URA)

Holdings: 56 | In oil and gas: 59.9% of the fund

This ETF gives you a way to play energy supply constraints from a different angle. Cameco at 21.99% and Sprott Physical Uranium Trust Fund at 6.57% lean on demand for nuclear fuel and uranium holdings rather than diesel margins or crude-linked cash flows. If high fuel prices from a diesel export ban keep pressure on power costs, some investors may look harder at nuclear projects, which could matter for companies such as NexGen Energy at 5.97%. Compared with XOP and MLPX, this basket is more concentrated in its leaders, with Cameco at 21.99% while Sprott Physical Uranium Trust Fund sits at 6.57%.

You are still relying on uranium economics and nuclear project decisions, not on whether refiners or pipelines gain volume from any policy move. That can help your portfolio react differently to fuel price swings, although it also means this ETF will not track oil and gas profits closely if diesel markets stay tight. A 0.69% fee, compared with 0.35% for XOP, is another clear difference investors should weigh, since a larger slice of your money pays for access to that more concentrated uranium tilt.

→ Compare how far URA is ahead of or behind the market across six periods

The exposure trade-off

If you want to lean straight into the diesel story, XOP is the blunt tool. It is 100% in oil and gas with refiners like PBF Energy, HF Sinclair and Marathon Petroleum each under 4%, so the exposure is spread across many fuel sellers rather than one giant bet. That even at the top end, with the biggest holding at 3.87% and the top two together at 7.4%, can appeal if you want policy headlines to matter but not hinge everything on a single company reaction.

MLPX and URA push you further from that direct diesel link, but in different ways. Pipelines in MLPX collect fees on volumes moved, while URA tilts toward uranium producers such as Cameco at 21.99%, making it the most concentrated of the three. If a diesel export ban made long term fuel costs a bigger concern for power users, interest in nuclear projects could help that theme. You still need to weigh that against the fee gap between XOP at 0.35% and URA at 0.69%, the tight 4.7 percentage point range in their five year results, and decide which mix of holdings and concentration fits your objectives or whether this particular news does not meaningfully separate them for you.

Before choosing a fund, it is worth researching the holdings themselves, starting with our full analysis of Cameco.

Fund data as of 24 September 2026. Portfolio holdings as of 22 September 2026.

This article by Simply Wall St is general in nature. It is based on historical fund and holdings data and is not intended to be financial advice. ETF holdings and portfolio weights can change after the stated data date, and past performance is not a reliable indicator of future performance. This article does not constitute a recommendation to buy or sell any fund or stock and does not take account of your objectives or financial situation. Simply Wall St has no position in any funds or stocks mentioned.

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