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  Thousands of drivers could be hit with ULEZ charge next week 22 Oct 2021 (News)
  will be 18 times the current central area and will run 24 hours a day, seven days a week (except Christmas Day) and covers all areas within the North and South Circular. The zone is being expanded to help tackle air quality in the capital. TfL expects the larger ULEZ to reduce nitrogen dioxide
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  Paris introduces classic car ban 20 Jun 2016 (News)
  . The issue of high levels of nitrogen oxides (NOx) being produced by modern diesels has been in the headlines ever since Volkswagen admitted fitting ‘cheat’ devices in emissions tests. Perhaps surprisingly, the Paris ban makes no distinction between petrol- and diesel-engined cars. Also
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  New £2000 diesel scrappage scheme set to be announced 20 Apr 2017 (News)
  , almost 12,000 premature deaths were linked to nitrogen oxide, according to the European Environment Agency. Diesel cars emit a high quantity of Nitrogen Oxide , which are linked to respiratory diseases like asthma
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  Classic diesels face threat from air quality ruling 2 May 2015 (News)
  Classic diesels could come under pressure after the Government was ordered to comply with tough European air pollution limits. The Supreme Court decision aims at reducing nitrogen dioxide emissions, which are largely produced by diesel engines. It comes just months
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  'Urgent action' required to combat car tyre and brake dust pollution 11 Jul 2019 (News)
  to measure." The industry's concentration on reducing tailpipe emissions has contributed to a 29 per cent improvement in nitrogen oxide emissions since 2010, while sulphur dioxide emissions are down 62 per cent.
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  First Diesel Engine to Meet Euro 4 Emission Regs 17 Dec 2002 (News)
  the temperature of recycled exhaust, cutting NOx emissions. "The 1.7 CDTi ECOTEC engine successfully restricts both particle and nitrogen oxides emissions to the area in which they are produced, thus reducing exhaust emissions," said Rita Forst, managing director of Opel Powertrain. She said
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  Should classic cars be scrapped? 6 Oct 2015 (News)
  for all old cars to be scrapped . There are many reasons why this is a bad idea, but we’ll highlight a few for you. For a start, the majority of classic cars use petrol engines and therefore don’t emit anywhere near the amount of nitrogen oxide (NOx) as modern diesel engines
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  UK, Germany and France edge closer to diesel bans 1 Mar 2018 (News)
  by environmental groups after 70 German cities exceeded European Union nitrogen oxide (NOx) levels limits in 2017. The ruling also means millions of drivers could be forced to leave their cars at home on days when harmful emissions are particularly high
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  UK's first clean air zone outside of London launches in Bath 15 Mar 2021 (News)
  Democrat council leader Dine Romero said: "This a landmark day for the city. We've put up with unacceptable levels of nitrogen dioxide for too long. We know this is a difficult time for businesses, but we've gone ahead with the zone during the pandemic because this is a pressing public health issue
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  SMMT issues a statement on Volkswagen emissions scandal 23 Sep 2015 (News)
  , hydrocarbons and nitrogen oxides (NOx). What is the test? It is a laboratory test, which ensures consistency and absolute comparability from one vehicle to another. The vehicle is put onto a ‘rolling road’ and fitted with equipment to measure emissions. The vehicle
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  Sustainable Mobility, According to Renault Eco2 16 Jun 2010 (News)
  , then re-introduces them to the turbo compressor after which they are cooled again by the intercooler before being reintroduced to the combustion chambers. This cuts emissions of nitrogen oxides far more effectively than a conventional EGR. A further innovation is a variable
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  Huge Engine Technology Breakthrough From FIAT 7 Mar 2009 (News)
  and carbon monoxide (HC/CO), and up to a 60 per cent cut in oxides of nitrogen, (NOx). * Constant upstream air pressure, atmospheric for naturally aspirated and higher for turbocharged engines, together with extremely fast air mass control, cylinder-by-cylinder and stroke-by-stroke, result
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  Honest John's Motoring Agony Column 6-6-2015 6 Jun 2015 (News)
  , which is 80 miles from where I live. Of late and intermittently an engine warning light appears when the engine is cold. If I switch the engine off once warm and restart, the light no longer appears. I have had the fault diagnosed by an official BMW dealer and have been told that the Nitrogen oxide