Work Area
Zero-Carbon Fuels
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Carbon intensity of vegetable-based oils must full account for cross-market substitution effects
Carbon intensity calculations for vegetable oil-based fuels must fully account for the effects of cross-market substitutions, in line with Congress’ restrictions on palm fatty acid distillates Diverting certain vegetable oils toward the energy sector can create supply gaps that may be filled by carbon intensive palm oil Congress sought to…
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Negative emissions rates: potential for extreme, unintended fiscal and environmental consequences
Treasury must not include negative emissions values in the published table of emissions rates or allow 45Z credits for blending fossil natural gas with biomethane or captured fugitive methane Negative emissions rates could have extreme, unintended fiscal and environmental consequences Assigning negative emissions rates to certain fuels––such as compressed biomethane…
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Properly accounting for indirect land use change
If Treasury uses GREET to model SAF lifecycle greenhouse gas emissions, it must modify it to be both similar to CORSIA and to fully account for indirect land use changes Statutory overview Section 45Z requires that lifecycle greenhouse gas (GHG) emissions for SAF be determined using either “(I) the most…
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Climate Smart Agriculture practices require differentiation
Climate Smart Agriculture practices should be differentiated based on the measurability of their impact on the carbon intensity of fuels In the final guidance for the 40B SAF tax credit, Treasury utilized the USDA Climate Smart Agriculture (CSA) pilot program to reward farming practices that can result in lower greenhouse gas…
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Statutory overview of 45Z
Statutory overview of the 45Z tax credit Section 45Z provides tax credits for clean fuel production based on the fuel’s carbon intensity. Unlike previous fuels credits,1 section 45Z is set up to incentivize deep reductions in the carbon intensity of transportation fuels by awarding higher credit amounts to cleaner fuels. …
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Decarbonizing U.S. transportation: Progress and opportunities
There is tremendous opportunity to invest in a modernized transportation system that yields better climate, health, and economic outcomes.
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Decarbonizing U.S. industry: Progress and opportunities
Read on to learn about the current momentum to accelerate industrial decarbonization and what must happen next.
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Appalachian hydrogen hub receives DOE award, a major step toward demonstrating low-carbon hydrogen production using carbon capture and storage
Last week, the U.S. Department of Energy (DOE) awarded the Appalachian Regional Clean Hydrogen Hub (ARCH2).