Category: General

In the context of climate change, mitigation is any action taken to permanently eliminate or reduce the long term risk to human life, property, and function from the hazards of climate change

A measure of the resistance of a fuel to pre-ignition (“knock”) when burned in an internal combustion engine. The higher the number, the more anti-knock quality. Petrol’s Motor Octane Number (MON) is measured under tougher test conditions and at higher engine speed and temperature (see also octane rating)

Phases that can mix and form a homogeneous mixture. Hydrocarbon gases and liquids are commonly miscible.

Tariff that reflects the distance that the energy is due to be transmitted over. Opposite of postal tariff

Contains no more than 0.05 grams of lead per gallon and no more than 0.005 grams of phosphorus per gallon