Oil & Gas Refining & Marketing
Case studies in oil & gas refining & marketing.
Calumet Inc.: How Far, How Fast on SAF?
On October 16, 2024, the U.S. Department of Energy's Loan Programs Office (DOE LPO) issued a conditional commitment for a loan guarantee of up to $1.44 billion to Montana Renewables, LLC (MRL), a Calumet subsidiary. Read case
Marathon Petroleum: How should it manage renewable diesel?
Marathon Petroleum Corporation (MPC) entered the second half of 2026 with renewable-diesel production, joint ventures, feedstock operations and long-standing refining and midstream businesses. Its latest filing presented a striking year-over-year improvement in Renewable Diesel segment results. MPC attributed much of the improvement to higher regulatory-credit values. Read case
Phillips 66: Governing the Refining Project Portfolio
On March 1, 2024, Phillips 66’s Refining leadership team is preparing to review execution within its 2024 project program. The company says it is implementing 10–15 projects annually to improve reliability and market capture and has a target to increase market capture by 5% by 2025. Read case
Diamond Green Diesel: Choosing What Port Arthur Can Make
Diamond Green Diesel (DGD), a 50/50 joint venture of Valero Energy and Darling Ingredients, had an unusual choice at its Port Arthur, Texas, renewable-fuels facility. The plant could make renewable diesel (RD), and an upgrade that began operating in late 2024 gave it the capability to convert part of that capacity to neat sustainable aviation fuel (SAF). Read case