There are no requirements for either catalytic converters or particle filters on A-tractors in Sweden. Now new research shows that the cars pollute up to 1,000 times more.
There aren't really any rules. At least not when it comes to pollution-limiting equipment on the Swedes' A-tractors.
– The previous investigation was not finished, so we don't really know how much these corrals emit. We also do not know how often pollution control equipment is removed.
– In some choir trains, the drivers also turn on the diesel pump to get black roe. Then the emissions can even be even higher, says Nina Svensson, who leads the project "A-tractors' environmental impact" at the research institute VTI.
Investigations already show that the special cars, which will soon be allowed to go 45 km/h, pollute up to 1,000 times more when looking at particle pollution, compared to an ordinary passenger car.
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This is what VTI writes in a press release .
It is also not illegal, as some A-tractor owners do, to screw up the diesel pump so that the smoke from the cars turns jet black. This means that the discharge can be much higher than VTI has calculated.
The new investigation of the A-tractors will run over 2 years and is financed by public funds. The result must result in a report which, among other things, must be presented to the Swedish transport authorities.
The latest figures show that the number of A tractors has doubled in number since 2019. Partly because the country's government relaxed the conversion rules in 2020. Read more about it here.
VTI and Nina Svensson do not say that A-tractors are a problem at national level either. But at local level there can be challenges, especially with the pollution from the special cars.
– Maybe not on a national level, because it is, after all, about a lot of choir clothes. Locally, however, under certain conditions it can be a problem. But as I said, that is what we have to investigate, says Nina Svensson.
She emphasizes that one already expects very large differences in the pollution from chore toj to chore toj. However, this does not change the fact that there were already 50,000 A tractors in Sweden in 2022.
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