How does dark matter not amit any electromagnetic energy?

Question: How does dark matter not amit any electromagnetic energy?
- Keywords:
  dark matter,
  gravity,
  space
Asked by to Roberto on 19 Jun 2014. This question was also asked by .
- Roberto Trotta answered on 19 Jun 2014:
  
  That’s because dark matter does not have any electric charge, and that’s needed for a particle to emit or absorb electromagnetic energy. There are other particles like that in nature, like the neutron and the neutrino.

Question: How does dark matter not amit any electromagnetic energy?