Energy & Green Tech

Eight EU countries oppose bloc's car emissions limits

Eight EU member states including France, Italy and Poland urged Brussels to scrap its planned vehicle emissions limits, warning they risked hurting investment in a document seen by AFP Monday.

Energy & Green Tech

EU proposes emission rules for last combustion engine cars

The European Union's executive arm proposed pollution standards Thursday for new combustion engine vehicles that are expected to remain on European roads well after the 27-nation bloc bans their sale in 2035.

Engineering

New air filter solutions for high technology processes

Metal processing with lasers and plasma releases many different pollutants into the ambient air. The Fraunhofer Institute for Material and Beam Technology IWS, together with partners, has developed a filter system that efficiently ...

Automotive

Volkswagen hoaxes media with fake news release as a joke

Volkswagen of America issued false statements this week saying it would change its brand name to "Voltswagen," as a way to stress its commitment to electric vehicles, only to reverse course Tuesday and admit that the supposed ...

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Nitrogen oxide

The term nitrogen oxide typically refers to any binary compound of oxygen and nitrogen, or to a mixture of such compounds:

(Note that the last three are unstable.)

Chemical reactions that produce nitrogen oxides often produce several different compounds, the proportions of which depend on the specific reaction and conditions. For this reason, secondary[clarification needed] production of N2O is undesirable, as NO and NO2 — which are extremely toxic — are liable to be produced as well.

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