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 ...

Automotive

Volkswagen loses top EU court case in diesel scandal

The European Union's top court ruled on Thursday that Volkswagen breached the law by installing on its cars a so-called defeat device to cheat on emission tests and cannot argue it was merely protecting car engines.

Energy & Green Tech

Electric bikes and silent trucks to green goods deliveries

Across Europe's cities, the demand for delivery services is increasing. But these deliveries affect urban life as they add to traffic congestion, noise and pollution and many cities are now trying out alternative modes of ...

Automotive

Diesel innovation has humble beginnings

An engine innovation first conceived and tested by Sandia National Laboratories has attracted the attention of big business because of its potential to cost-effectively reduce emissions of soot and nitrogen oxides, encourage ...

Automotive

US fines Hyundai $47 mn over dirty diesel engines

South Korean shipbuilding and industrial firm Hyundai Heavy Industries will pay a $47 million fine for illegally importing and selling dirty diesel engines in violation of American environmental rules, US authorities announced ...

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.

This text uses material from Wikipedia, licensed under CC BY-SA