Low-sulphur gas oil
A high-quality distillate oil. The sulphur content of Low-sulphur gas oil does not exceed 50 mg/kg. A minimum quality for the fuel is laid down by the (German) standard DIN 51603-EL-1-schwefelarm.
Lower heating value
The amount of heat released through the complete combustion of a cubic metre of gas (at standard temperature and pressure) or a kilogram of fuel oil, when the water produced by the combustion is a vapour. It is measured in kWh/m<sup>3</sup> or kWh/kg. It is abbreviated to LHV or NCV (nett calorific value).