Question

Euro emission norms are emission standards and these represent a package setting limits for emission from a vehicle. Which of the following gases is covered under this?

  1. Carbon monoxide
  2. Hydro carbons
  3. Nitrogen oxides
  4. All the above

Answer:

Option D: All the above

Detailed Solution:

The correct answer is “All the above”.

The "Euro standards" regulate emissions of nitrogen oxides (NOx), hydrocarbons (HC), carbon monoxide (CO), particulate matter (PM), and particle numbers (PN) by technological up-gradation of vehicles as well as of fuel.