Skip to content

Enum: BiofuelType

Types of fuels produced from biomass feedstocks.

URI: valuesets:BiofuelType

Permissible Values

Value Title Meaning Description Close Mappings Broad Mappings Chemical Formula Drop In Fuel Intermediate Methane Content Percent Pipeline Quality Production Method
ETHANOL Ethanol CHEBI:16236 Alcohol biofuel (C2H5OH) produced by fermentation of sugars or starches, or from cellulosic biomass. sweet:matrEnergy/Ethanol C2H5OH
BIODIESEL Biodiesel Fatty acid methyl esters (FAME) produced by transesterification of vegetable oils or animal fats. MESH:D056804, sweet:matrEnergy/Biodiesel transesterification
RENEWABLE_DIESEL Renewable Diesel Hydrocarbon diesel produced by hydrotreating lipids. Chemically identical to petroleum diesel. True
SUSTAINABLE_AVIATION_FUEL Sustainable Aviation Fuel (SAF) Jet fuel produced from biomass or waste, meeting aviation fuel specifications. True
BIOGAS Biogas Gaseous mixture of methane and CO2 produced by anaerobic digestion of organic matter. 50-70
BIOMETHANE Biomethane Purified biogas upgraded to natural gas quality (>95% methane). sweet:matrOrganicCompound/Methane 95+ True
BIO_OIL Bio-Oil Liquid intermediate produced by pyrolysis or hydrothermal liquefaction of biomass. True
SYNGAS Syngas (Bio-Based) Synthesis gas (CO + H2) produced by gasification of biomass. CHMO:0001501, sweet:matrEnergy/Syngas True
BUTANOL butan-1-ol CHEBI:28885 Four-carbon alcohol biofuel with higher energy density than ethanol. C4H9OH
METHANOL Biomethanol CHEBI:17790 Methanol produced from biomass-derived syngas. CH3OH
DIMETHYL_ETHER Bio-DME CHEBI:28887 Dimethyl ether produced from biomass, usable as diesel substitute.

Slots

Name Description
biofuel_type Type of biofuel product

See Also

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: BiofuelType
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Types of fuels produced from biomass feedstocks.
title: Biofuel Type
from_schema: https://w3id.org/linkml/valuesets
see_also:
- https://www.energy.gov/eere/bioenergy/full-text-glossary
contributors:
- orcid:0000-0002-6601-2165
- https://github.com/anthropics/claude-code
status: DRAFT
rank: 1000
permissible_values:
  ETHANOL:
    text: ETHANOL
    description: Alcohol biofuel (C2H5OH) produced by fermentation of sugars or starches,
      or from cellulosic biomass.
    meaning: CHEBI:16236
    annotations:
      chemical_formula:
        tag: chemical_formula
        value: C2H5OH
    title: Ethanol
    aliases:
    - Fuel Ethanol
    - Bioethanol
    close_mappings:
    - sweet:matrEnergy/Ethanol
  BIODIESEL:
    text: BIODIESEL
    description: Fatty acid methyl esters (FAME) produced by transesterification of
      vegetable oils or animal fats.
    annotations:
      production_method:
        tag: production_method
        value: transesterification
    title: Biodiesel
    aliases:
    - FAME
    close_mappings:
    - MESH:D056804
    - sweet:matrEnergy/Biodiesel
  RENEWABLE_DIESEL:
    text: RENEWABLE_DIESEL
    description: Hydrocarbon diesel produced by hydrotreating lipids. Chemically identical
      to petroleum diesel.
    annotations:
      drop_in_fuel:
        tag: drop_in_fuel
        value: true
    title: Renewable Diesel
    aliases:
    - Green Diesel
    - HVO
    - Hydrotreated Vegetable Oil
  SUSTAINABLE_AVIATION_FUEL:
    text: SUSTAINABLE_AVIATION_FUEL
    description: Jet fuel produced from biomass or waste, meeting aviation fuel specifications.
    annotations:
      drop_in_fuel:
        tag: drop_in_fuel
        value: true
    title: Sustainable Aviation Fuel (SAF)
    aliases:
    - SAF
    - Biojet
  BIOGAS:
    text: BIOGAS
    description: Gaseous mixture of methane and CO2 produced by anaerobic digestion
      of organic matter.
    annotations:
      methane_content_percent:
        tag: methane_content_percent
        value: 50-70
    title: Biogas
    aliases:
    - Raw Biogas
  BIOMETHANE:
    text: BIOMETHANE
    description: Purified biogas upgraded to natural gas quality (>95% methane).
    annotations:
      methane_content_percent:
        tag: methane_content_percent
        value: 95+
      pipeline_quality:
        tag: pipeline_quality
        value: true
    title: Biomethane
    aliases:
    - Renewable Natural Gas
    - RNG
    broad_mappings:
    - sweet:matrOrganicCompound/Methane
  BIO_OIL:
    text: BIO_OIL
    description: Liquid intermediate produced by pyrolysis or hydrothermal liquefaction
      of biomass.
    annotations:
      intermediate:
        tag: intermediate
        value: true
    title: Bio-Oil
    aliases:
    - Pyrolysis Oil
  SYNGAS:
    text: SYNGAS
    description: Synthesis gas (CO + H2) produced by gasification of biomass.
    annotations:
      intermediate:
        tag: intermediate
        value: true
    title: Syngas (Bio-Based)
    aliases:
    - Synthesis Gas
    - gasification
    close_mappings:
    - CHMO:0001501
    - sweet:matrEnergy/Syngas
  BUTANOL:
    text: BUTANOL
    description: Four-carbon alcohol biofuel with higher energy density than ethanol.
    meaning: CHEBI:28885
    annotations:
      chemical_formula:
        tag: chemical_formula
        value: C4H9OH
    title: butan-1-ol
    aliases:
    - Biobutanol
  METHANOL:
    text: METHANOL
    description: Methanol produced from biomass-derived syngas.
    meaning: CHEBI:17790
    annotations:
      chemical_formula:
        tag: chemical_formula
        value: CH3OH
    title: Biomethanol
  DIMETHYL_ETHER:
    text: DIMETHYL_ETHER
    description: Dimethyl ether produced from biomass, usable as diesel substitute.
    meaning: CHEBI:28887
    title: Bio-DME
    aliases:
    - DME