Refiners Gain From Strong Fuel Demand and Higher Margins

Strong fuel demand and favorable refining margins are improving earnings prospects across the US oil refining industry, with Marathon Petroleum, PBF Energy and Phillips 66 emerging as three companies positioned to benefit from supportive market conditions, according to Zacks Equity Research in an industry outlook published October 28, 2026.

The Zacks Oil and Gas - Refining & Marketing industry has recorded rising earnings estimates for 2026 and 2027 over the past year. The industry also holds a top Zacks Industry Rank, while its stocks have outperformed both the broader energy sector and the S&P 500 during the same period.

According to the Zacks assessment, strong cash generation and improved financial flexibility could give refining companies additional capacity to fund investments and return capital to shareholders.

The industry includes businesses that purchase crude oil and other feedstocks before processing them into gasoline, diesel, jet fuel, heating oil and other petroleum products. Some companies also sell non-energy materials such as asphalt, road salt, clay and gypsum.

Several refiners operate additional infrastructure, including product terminals, storage facilities, transportation networks and retail operations. These activities provide alternative revenue sources when refining market conditions fluctuate.

Refining profitability depends heavily on the difference between crude oil acquisition costs and the selling prices of finished petroleum products. Wider spreads generally improve earnings, while narrower margins can put pressure on operating performance.

Zacks identifies favorable refining margins as a major factor supporting the industry's outlook. Healthy demand for petroleum products has helped strengthen market conditions and improve the profitability potential of refining operations.

However, refining margins remain volatile. Product inventories, consumer demand, imports, regional market differences and industry capacity utilization all influence profitability, according to the industry overview.

Other important factors include light-heavy and sweet-sour crude oil price differentials. Refiners also face operational risks from unplanned facility outages, which can affect production capacity and financial results.

Marathon Petroleum (MPC), PBF Energy (PBF) and Phillips 66 (PSX) are the three companies highlighted in the Zacks outlook as potential beneficiaries of favorable refining industry conditions.