Ammonia Technology Roadmap	Annexes
Towards more sustainable nitrogen fertiliser production

Annexes

Abbreviations

ARPA-E	Advanced Research Projects Agency-Energy
ATR	auto-thermal reforming
BAT	best available technology
BECCS	bioenergy with CCS
CAPEX	capital expenditure
CBAM	Carbon Border Adjustment Mechanism
CCS	carbon capture and storage
CCU	carbon capture and utilisation
CCUS	carbon capture, utilisation and storage
CDM	Clean Development Mechanism
CEM	Clean Energy Ministerial
CfD	contract for difference
CO	carbon monoxide
CO2	carbon dioxide
DAC	direct air capture
EEA	European Environment Agency
EOR	enhanced oil recovery
EPC	engineering, procurement and construction
ESG	environmental, social and governance
ETP	Energy Technology Perspectives
ETS	emissions trading system
FAI	Fertiliser Association of India
FAO	Food and Agriculture Organization of the United Nations
FIAS	Fertiliser Industry Assurance Scheme
GPS	Global Positioning System
HNO3	nitric acid
H2	hydrogen
IEA	International Energy Agency
IFA	International Fertilizer Association
INCOM	Inter-convention Nitrogen Coordination Mechanism
IPCC	Intergovernmental Panel on Climate Change
ISIC	International Standard Industrial Classification
K	potassium
LCOE	levelised cost of electricity
LCOH	levelised cost of hydrogen
LHV	lower heating value

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Ammonia Technology Roadmap	Annexes
Towards more sustainable nitrogen fertiliser production

N	nitrogen
NASA	National Aeronautics and Space Administration
NH3	ammonia
NOx	nitrogen oxides
N2	dinitrogen
N2O	nitrous oxide
NUE	nitrogen use efficiency
NZE	Net Zero Emissions by 2050 Scenario
OECD	Organisation for Economic Co-operation and Development
OPEX	operational expenditure
P	phosphorous
PAT	Perform, Achieve, Trade
PEM	polymer electrolyte membrane
POX	partial oxidation
R&D	research and development
RD&D	research, development and demonstration
REACH	Registration, Evaluation, Authorisation and Restriction of Chemicals
SDG	Sustainable Development Goal
SDS	Sustainable Development Scenario
SMR	steam methane reforming
SOEC	solid oxide electrolyser cells
STEPS	Stated Policies Scenario
TCFD	Task Force on Climate-related Financial Disclosures
TIMES	The Integrated MARKAL-EFOM System
TRL	technology readiness level
UN	United Nations
UNEP	United Nations Environment Programme
UNFCCC	United Nations Framework Convention on Climate Change
UNIDO	United Nations Industrial Development Organisation
VRE	variable renewable energy

Units of measure

EJ	exajoule
g	gramme
g CO2/kWh	grammes of CO2 per kilowatt hour
GJ	gigajoule
Gt	gigatonne
Gt CO2-eq	gigatonne of CO2-equivalent
GW	gigawatt
ha	hectare
kg	kilogramme

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Ammonia Technology Roadmap	Annexes
Towards more sustainable nitrogen fertiliser production

km2	square kilometre
kt	thousand tonnes
kW	kilowatt
kWe	kilowatt electrical
kWh	kilowatt hour
m3	cubic metre
MBtu	million British thermal units
Mt	million tonnes
Mtce	million tonnes of coal-equivalent
Mt CO2-eq	million tonnes of CO2-equivalent
MWh	megawatt hour
t	tonne
t CO2-eq	tonne of CO2-equivalent
TWh	terawatt hour
yr	year

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