Glossary of Terms
Acronyms and Abbreviations
Units of measure
The following definitions reflect those used by the International Energy Agency (IEA); definitions used by other organisations and publications may vary.
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
L.
light petroleum products |
include liquefied petroleum gas (LPG), naphtha and gasoline. |
liquefied natural gas (LNG) |
natural gas that has been liquefied by reducing its temperature to -162°C at atmospheric pressure. In this way, the space requirements for storage and transport are reduced by a factor of over 600. |
liquefied petroleum gas |
refers to propane, butane and their isomer gases at atmospheric pressure and normal temperature. |
liquidity |
the ability to sell assets without significant movement in the price and with minimum loss of value. |
low-carbon technologies |
technologies that produce low – or zero – greenhouse-gas emissions while operating. In the power sector this includes fossil-fuel plants fitted with carbon capture and storage, nuclear plants and renewable-based generation technologies. |
lower heating value |
the heat liberated by the complete combustion of a unit of fuel when the water produced is assumed to remain as a vapour and the heat is not recovered. |