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Economics
U.S. West Coast HEFA Margins – The FOG clears
August 6, 2026
The rapid expansion of renewable diesel (RD) and sustainable aviation fuel (SAF) production in North America has transformed the economics of biofuels, with California becoming the single largest RD market globally in a short period of time. Looking at the market from the perspective of pricing and value stacks, biofuel margins provide visibility into the...
Policy
Portland’s 20% Storage Drawdown: A Question of Demand and Flexibility
July 14, 2026
As Oregon’s carbon-reduction goals for the transport sector become more stringent, reliable storage and delivery of low-carbon fuels is essential to achieving the State’s ambitions. Oregon’s Clean Fuel Program (CFP), Climate Protection Program (CPP), and Portland’s Renewable Fuel Standard (RFS) are driving volumes of low-carbon liquid fuels which can be used in the current fleet...
Economics
RINsanity Returns!
July 13, 2026
The Renewable Fuel Standard (RFS) created four nested categories renewable fuel demand, each with its own D-Code – D6 for total renewable fuels, D5 for advanced biofuels, D4 for biomass-based diesel (BBD), and D3/D7 for cellulosic biofuels. Each of these categories has a greenhouse gas threshold (see more at our RFS 101 primer). The D4...
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