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Switzerland Proposes Crackdown on Particulate Matter

The head of the Swiss Department of the Environment, Transport, Energy, and Communication (UVEK), Moritz Leuenberger, has proposed a nine-point action plan to reduce emissions of particulate matter (PM).

UVEK (Departement für Umwelt, Verkehr, Energie und Kommunikation) estimates that ambient particulate pollution in Switzerland—named the biggest environmental and public health problem—is responsible for 3,700 premature deaths per year and annual extra health costs of SFr4.2 billion ($3.4 billion). In many Swiss cities, especially in winter, ambient particulate levels exceed the 24-hour PM10 limit of 50 µg/m3.

Of the nine measures, three apply to vehicles:

  • Develop new criteria for energy-efficient and low-emissions light duty vehicles (up to 3.5 tonnes) based on fuel consumption; PM, NOx, HC and CO2 emissions; and noise. These criteria will be a basis for purchasing and tax programs or driving bans.

  • Require diesel buses operated by public tranist agencies to be equipped with the best available technology for the reduction of PM emissions, beginning in 2007.

  • Develop more stringent emissions standards for passenger vehicles and truck engines.

Separate from this plan, Leueneberger will submit further control measures to Parliament, among them a rule mandating particulate filters on all new diesel passenger vehicles.



Why is it technically not possible to pass the exhaust through water as you would if you were smoking certain forbidden plants. :)
It would get rid of the particles to a large extent, and cool the exhaust system. The tank could be designed to be pressure sensitive, using a valve sstem to push the exhaust water into a reserve tank if the car accelerated and required more flow (at the cost of filtering as much)
The boiling water could be used in conjuntion with BMW's exhaust heat steam power generation to give the car a bit more buzz.

The drawback I guess is you would have to make the exhaust corrosion resistant, and have a release system, so every time you stopped to fill up the petrol tank you could release the dirty exhaust sedimented water into a tank and replace it with clean water.
The acidic water would have to be neutralised by some natural alkaline and broken down to be used for something. So there would be waste there. But it would prodominantly not be in the atmosphere, which is the point of this.
I think there was an earlier post with whis idea relating to coal power stations.


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