Results 231 to 240 of about 40,965 (311)

Biogas production potential of aquatic weeds as the next-generation feedstock for Bioenergy production: A Review

open access: yes, 2023
Koley A   +8 more
europepmc   +1 more source

Cryogen‐Aided Chromatographic Purification of Millimole Quantities of Methane for Spectroscopic Clumped Isotope Analysis

open access: yesRapid Communications in Mass Spectrometry, Volume 40, Issue 18, 30 September 2026.
ABSTRACT Rationale Quantum cascade laser absorption spectroscopy (QCLAS) is a fast and reliable method for analyzing the bulk (𝛿13C‐CH4, 𝛿D‐CH4) and clumped isotopic (∆13CH3D and ∆12CH2D2) composition of methane. However, precise measurements of ∆12CH2D2 require 0.5 to 1.8 mmol of purified methane (equivalent to 15 to 40 mL at STP).
Nico Kueter   +6 more
wiley   +1 more source

Toward Sustainable Carbonylation Reactions Enabled by CO Surrogates in Green Solvents

open access: yesChemSusChem, Volume 19, Issue 13, 14 July 2026.
Carbonylation reactions offer a sustainable route to valuable carbonyl compounds. This review highlights methodologies that exploit carbonylative coupling to drastically enhance process sustainability, avoiding the direct use of CO through CO surrogates and promoting syntheses in green solvents potentially derived from renewable and sustainable sources.
Francesco Messa   +2 more
wiley   +1 more source

Relative Resiliency of Bioanode Electrochemical Resistances with Changes in Interelectrode Spacing in Microbial Electrolysis Cells

open access: yesChemElectroChem, Volume 13, Issue 13, 2 July 2026.
Hydrogen gas can be produced from organic matter in microbial electrolysis cells (MECS) using certain microorganisms on the anode and a catalyst on the cathode. We show that materials and different electrode distances change gas production rates, but the intrinsic properties of the microbes to produce current were unaffected by subsequent changes in ...
C. Erika Mendoza‐Chavez   +4 more
wiley   +1 more source

Markets Mitigate Land‐Use Competition From Energy Crops and Increase Farm Revenues

open access: yesApplied Economic Perspectives and Policy, Volume 48, Issue 3, Page 709-721, July 2026.
ABSTRACT Meeting the US Sustainable Aviation Fuel Grand Challenge target of 35 billion gal annually by 2050 will require an estimated 380 million–700 million dry tons of agricultural biomass feedstock. This study evaluates the implications of large‐scale biomass production for land use, crop production, and market outcomes under mature market ...
Daniel G. De La Torre Ugarte   +2 more
wiley   +1 more source

The Biofuels Blueprint: Understanding the U.S. Renewable Fuel Standard

open access: yesApplied Economic Perspectives and Policy, Volume 48, Issue 3, Page 565-590, July 2026.
ABSTRACT We provide a comprehensive review of the U.S. Renewable Fuel Standard (RFS), synthesizing nearly two decades of program evolution, market outcomes, and economic analysis. The RFS mandates minimum volumes of renewable fuel blending through a nested structure based on life‐cycle greenhouse gas reductions, enforced via tradeable Renewable ...
Maria Gerveni   +3 more
wiley   +1 more source

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