Committee on Climate Change

Independent advisors to the UK Government on tackling and preparing for climate change

Glossary of climate change: H

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Term Definition
Heat pumps

Can be an air source or ground source heat pump to provide heating for buildings. Working like a

Heavy good vehicle (HGV)

A truck over 3.5 tonnes (articulated or rigid).

Hydrogenated renewable jet (HRJ)

Conversion of vegetable oils (eg. conventional oil crops such as palm and soy, but also new oil crops such as jatropha and cameline) and algal oils to aviation fuel through a process including treatment with hydrogen.

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