Refinery NO x Emissions
kt Refinery NO x Emissions kt
Since 2000, refinery NO x emissions have decreased by 49% to 10.6 ktCO 2 e. Most of these reductions have come about due to emissions reductions from LCP units, including investments made in low-NO x burners. Please note that this and the remaining graphs have units of kilotonnes.
Large Combustion Plants Large Combustion Plants
Process Units Process Units
16
12
8
4
0
2000
2005
2010
2015
2020
Source: UKPIA
Transport NO x Emissions
kt Transport NO x Emissions
Transport sector emissions have fallen by 57.5% since 2000 to 554.8 kt, including a 29.2% decrease in 2020. While all transport segments experienced large drops in emissions in 2020, the aviation segment saw a 59.4% decrease due to travel restrictions throughout the year. Shipping – which emits nearly half of UK transport NO x emissions – saw the smallest year- on-year decrease of emissions in 2020 at 13.6%.
Aviation Road Shipping Railway Other
1400
1200
1000
800
600
400
200
0
2000
2005
2010
2015
2020
Source: NAEI
31 | Statistical Review | 2022
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