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• NITROGEN IN CAR TYRES: What's the point of filling car tyres with Nitrogen? (FAQs)
  Compressed air contains Oxygen and Nitrogen in roughly a 20% to 80% mix. It does however contain other gases as well as water, water vapour and dirt / grease. Certain components namely Oxygen, water vapour and free water that are found in compressed air are prone to permeation through
• ADBLUE: What is AdBlue and What do I need to know about it? (FAQs)
  the engine, and inside the high temperatures of the Selective Catalytic Reduction (SCR) catalyst the AdBlue turns into ammonia and carbon dioxide. The ammonia reacts with the nitrogen oxides in the gases and are turned into nitrogen and water - neither of which are harmful. Disadvantages of AdBlue
• MISFUELLING A CAR: What should you do if you accidentally put the wrong fuel in your car?  (FAQs)
  is it for? AdBlue is a trade-name for the most popular Diesel Exhaust Fluid (DEF), now used in many modern diesel vehicles to reduce the amount of nitrogen oxides created by diesel combustion. It is composed of deionised water and urea and works by mixing with exhaust fumes to change them from nitrous oxide (NO2
• 
  Review: Airlabs Airbubbl (productReview)
  What is it? Airbubbl is an in-car air purifier, made by Airlabs, which aims to combat air pollution. Airlabs claims it's the  only type of filter available that can absorb harmful gases, like nitrogen oxide
• 
  Top 10: Car-related “movers and shakers” from Amazon (Article)
  emissions into harmless Nitrogen and Oxygen. Very little is used by a car, so the AdBlue tank only needs to be topped up every few thousand miles. Buy it at a service station and it costs a fair bit, though. It’s way, way cheaper to buy it on Amazon, so it’s not a surprise it’s among the more popular
• 
  Review: Dyson Pure hot+cool purifying fan heater (productReview)
  information about humidity, particulate matter (PM), Nitrogen Oxide (NO2) and Volatile Organic Compounds (VOCs) - which can lead to a whole host of health problems. You can use t he remote control to cycle through the different displays. VOCs are toxic chemicals that are found in cleaning sprays
• 
  ULEZ van checker - Will you have to pay the low emissions charge? (Article)
  are exempt from ULEZ fees The Ultra Low Emissions Zone standards are based on the declared emissions of the vehicle and not the age. This means some older vans and pick-ups with exceptionally low emissions for particulate matter (PM) and nitrogen oxides (NOx), are exempt from ULEZ charging
• 
  How to buy a new van (Article)
  , emitting nitrogen dioxide (NOx) and particulate matter (PM) that are linked to a wide range of health problems, including heart disease and cancer. The problem is so great that in London alone diesel emissions are linked to 10,000 premature deaths every year. Another issue lies with a small
• 
  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
• 
  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
• 
  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
• 
  '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.
• 
  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
• 
  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
• 
  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
• 
  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
• 
  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
• 
  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
• 
  Tyre inflation - nitrogen vs normal air 14 Dec 2012 (Ask HJ)
  I am told nitrogen filled tyres rarely need checking because they do not deflate like ordinary air filled tyres. Is this true? Is it worth paying to change...
• 
  Is it possible to use nitrogen to inflate tyres? 25 Feb 2025 (Ask HJ)
  Is it possible to buy a small pressurised container of Nitrogen to top-up Nitrogen inflated tyres? I can get this done at my local ATS depot, but would...