Glossary Glossary

The following definitions reflect those used by the International Energy Agency (IEA); definitions used by other organisations and publications may vary.

M&A

mergers and acquisitions

MCFC

molten carbonate fuel cells

MDB

multilateral development bank

MDGs

Millennium Development Goals (United Nations)

MENA

Middle East and North Africa

MEP

minimum energy performance

MEPS

minimum energy performance standard

MER

market exchange rate

MOE

molten oxide electrolysis

MoMo

mobility modelling (transport sector model developed by the IEA)

MOP

Meeting of the Parties

MOTMR

(publication of the IEA)

MSC

multiple service contract

MTBE

methyl tertiary butyl ether

MTO

methanol-to-olefin

Market allocation (MARKAL) model

a generic model tailored by the input data to represent the evolution over a period of usually 40 to 50 years of a specific energy system at the national, regional, state or province, or community level. More…

market fundamentals

all factors which affect the balance between supply and demand.

markets

structures which allow buyers and sellers to exchange any type of goods, services and information.

middle distillates

include jet fuel, diesel and heating oil.

Millennium Development Goals

global commitments to eradicate extreme poverty. They were agreed to by all the world’s countries and all the world’s leading development institutions in September 2000. For more information, click here.

modern biomass

includes all biomass with the exception of traditional biomass.

modern renewables

includes all types of renewables (such as wind and solar) with the exception of traditional biomass.

Multilateral Technology Initiatives

, also known as Implementing Agreements (of the IEA):

  • Advanced Fuel Cells (AFCIA)
  • Advanced Materials for Transportation (AMT IA)
  • Advanced Motor Fuels (AMF IA)
  • Bioenergy (Bioenergy IA)
  • Buildings and Community Systems (ECBCS IA)
  • Clean Coal Centre (CCC IA)
  • Climate Technology Initiative (CTI IA)
  • Co-operation on Tokamak Programmes (CTP IA)
  • Demand-Side Management (DSM IA)
  • District Heating and Cooling, including the Integration of Combined Heat and Power (DHC IA)
  • Efficient Electrical End-Use Equipment (4E IA) 
  • Electricity Networks Analysis, Research & Development (ENARD IA)
  • Emissions Reduction in Combustion (Combustion IA)
  • Energy Storage (ECES IA)
  • Energy Technology Data Exchange (ETDE IA)
  • Energy Technology Systems Analysis Programme (ETSAP IA)
  • Enhanced Oil Recovery (EOR IA)
  • Environmental, Safety and Economic Aspects of Fusion Power (ESE Fusion Power IA)
  • Fluidized Bed Conversion (FBC IA)
  • Fusion Materials (Fusion Materials IA)
  • Geothermal (Geothermal IA)
  • Greenhouse Gas (GHG IA) 
  • Heat Pumping Technologies (Heat Pumps IA)
  • High-Temperature Superconductivity on the Electric Power Sector (HTS IA)
  • Hybrid and Electric Vehicles (HEV IA)
  • Hydrogen (Hydrogen IA)
  • Hydropower (Hydropower IA)
  • Industrial Energy-Related Technologies and Systems (IETS IA)
  • Multiphase Flow Sciences (Multiphase IA)
  • Nuclear Technology of Fusion Reactors (NTFR IA)
  • Ocean Energy Systems (OES IA)
  • Photovoltaic Power Systems (PVPS IA)
  • Plasma Wall Interaction in TEXTOR (Textor IA)
  • Renewable Energy Technology Deployment (RETD IA)
  • Reversed Field Pinches (RFP IA)
  • Smart Grids
  • Solar Heating and Cooling (SHC IA)
  • SolarPACES  (SolarPACES IA)
  • Spherical Tori (Spherical Tori IA)
  • Stellarator-Heliotron Concept (Stellarator/Heliotron IA)
  • Wind Energy Systems (Wind IA)

m

metre

mb

million barrels

mb/d

million barrels per day

MJ

megajoule

mpg

miles per gallon

Mt

million metric tons

Mtce

Million tons of coal equivalent

Mtoe

Million tons of oil equivalent

square metre