Nitrogen Oxide News

Delhi, Bengaluru, Mumbai, Kolkata, Chennai and Hyderabad have high vehicular population and diesel consumption, says the NGONitrogen oxide is not directly emitted from any source, but is formed from reaction between gases in the air under the influence of sunlight and high temperature

Volvo says the largest volume of potentially affected engines had been sold in North America and Europe, and that costs to fix the problem 'could be material'

Volkswagen's Audi brand is being told to recall 127,000 cars diesel cars that reduce emissions controls when not being tested

Audi says it would recall 4,997 of its A8 model vehicles with V8 diesel engines in Europe to update software after it found they emitted too much nitrogen oxide

Instead of developing new diesel engines, Volvo will invest in electric and hybrid cars, with its first pure electric model due on the market in 2019

During test of Audi Q5 SUV diesel model by ARAI, nitrogen oxide level was found to be more than the stipulated level following which the company withdrew the model from its dealerships

A VW employee wrote to the former CEO in May 2014 to say that the authorities would probably look for a test-recognition function in motor-steering software

NGT was hearing a petition by a private party that accused the group of violating India's emission norms and sought a ban on the manufacture and sale of its vehicles

The gap between lab results and road performance had grown for emissions of carbon dioxide, and nitrogen oxides