The enlargement of the ultra-low emission zone (ULEZ) to the Better London boundary has been barely extra profitable than first thought at cleansing up toxic-air emissions from automobiles, in accordance with knowledge launched this week.
Analysis, reported by the Customary this week, exhibits that within the 12 months since Labour Mayor of London Sir Sadiq Khan enrolled the scheme, the extent of nitrogen dioxide has fallen by 4.8 per cent.
A report final 12 months predicted the higher restrict of the autumn could possibly be round 4.4 per cent, which Transport for London (TfL) has taken as an indication of enchancment – regardless of Conservative critics calling the report a “fantasy” based mostly on guesses and assumptions.
The report, printed by TfL on Friday, mentioned: “Within the first 12 months of operation, roadside NO2 concentrations in outer London have been on common as much as 4.8 per cent decrease than would have been anticipated with out the London-wide Ulez enlargement.”
However what’s Ulez and the way is it totally different to the Low Emission Zone (LEZ)?
LEZ and ULEZ zones at the moment are a standard sight in London
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Are ULEZ and LEZ totally different?
The ultra-low emission zone (ULEZ) and the low emission zone (LEZ) imposed throughout Central and Better London have been created to scale back emissions and car air pollution. Each initiatives are separate from one another, however they function in an identical method to the congestion zone by requiring some drivers to pay a cost.
The Ulez operates 24 hours a day, seven days every week, day by day of the 12 months, besides Christmas Day and covers all London boroughs, however doesn’t embody the M25. When launched, the scheme was met with challenges from some motorists who have been sad about paying extra fees.
To isolate the particular influence of the Lez, the examine in contrast London college outcomes between 2005 and 2015 with a bunch of city colleges in England’s 20 largest cities, that are greater than 100km from the Lez border.

Low emission zones influence several types of automobiles
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What’s the distinction between ULEZ and LEZ?
The important thing distinction between the Ulez and Lez is it impacts several types of automobiles.
The Lez cost is geared in the direction of heavy diesel automobiles, reminiscent of lorries, massive vans, and coaches. It operates 24 hours a day and every day of the 12 months together with public holidays.
The Ulez cost, however, is geared toward petrol and diesel automobiles that don’t meet the Euro 4 and Euro 6 car requirements. This operates 24 hours a day and day by day of the 12 months besides Christmas Day.
In contrast to the Lez cost, the Ulez tends to influence a bigger quantity of Londoners, particularly these driving older vehicles. Nevertheless, TFL has highlighted that, in accordance with knowledge taken from 2022, 9 out of 10 vehicles that function inside Better London meet the Ulez emissions requirements and so don’t have to pay the day by day price.
It’s additionally value remembering that each the Ulez and the Lez are totally different from the Congestion Zone Cost that covers central London.

Extremely low emission zones have proved controversial in London
Carl Court docket / Getty Photos
Is LEZ and ULEZ the identical cost?
The Lez and Ulez charges are totally different as a result of they apply to several types of automobiles.
In case you enter the Lez zone and have a car that falls into the related class (reminiscent of lorries, buses, or caravans), you’ll need to pay between £100 and £300 for getting into.
In case you are within the Ulez space, and you’ve got a automotive that doesn’t meet Euro 4 and Euro 6 car requirements, you’ll need to pay a £12.50 day by day price.
Each are day by day fees, which means you solely have to pay as soon as even should you enter a number of occasions. Drivers may have three days to pay after getting into the zone with non-compliant automobiles. In case you fail to make the fee on time, you danger receiving a Penalty Cost Discover.

The Ulez applies to vehicles
Aaron Chown / PA
Do you pay each LEZ and ULEZ?
Until you’re driving a bigger diesel-powered car, you don’t really want to fret in regards to the Lez.
You may enter your car particulars into the TFL web site to search out out which cost you’ll need to pay.
In line with TFL specs, sure varieties of heavy-duty automobiles don’t have to pay Ulez and as a substitute might want to pay Lez.
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