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Exhaust from diesel and petrol generators contains
three types of harmful pollution.

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These include harmful gases,
such as nitrogen dioxide, or NO2,

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which affect everyone
with a respiratory condition.

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In Denmark, that is nearly one million people.
That is a lot of people.

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They react strongly to these gases.

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Then there are the larger particles,
trapped in the upper airways and bronchi,

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where they contribute to cancer, cardiovascular disease,
blood clots and respiratory conditions.

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Then there are the smallest particles,
which we measure by number and will measure shortly.

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These particles travel deep into
the finest branches of the lungs.

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All the way into the alveoli, where they cause inflammation
and oxidative stress in the lung tissue.

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They contribute to many diseases,
enter the bloodstream and circulate around the body.

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Their surface is covered
with carcinogenic tar compounds.

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This contributes to cancer
in different parts of the body.

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We need to avoid all this pollution.
The ideal solution is electric power.

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Then no gases or particles are produced.
The problem is solved.

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I’m Kåre Press-Kristensen, Head of Secretariat
at the Council for Healthy Indoor Climate.

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We carry out many studies
of the working environment indoors,

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but also outdoors
on construction sites.

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I am a civil engineer
and hold a PhD.

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For 20 years, I have taught air pollution
at the Technical University of Denmark.

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I have carried out many working environment studies
at different workplaces.

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Unfortunately, we can see that diesel particles
remain a problem

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and expose employees
to an unnecessarily high risk.

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My name is Søren Møller,
and I am from the Danish Technological Institute.

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We have measured particle emissions
from petrol and diesel generators.

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The measurements show significantly higher emissions
of ultrafine particles

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from a petrol generator
than from a diesel generator.

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I am quite surprised
by the amount.

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A diesel generator produces many ultrafine particles,
so that was expected.

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I did not expect the petrol generator
to produce around five times as many.

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The measurements from
the Danish Technological Institute show,

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compared with the limit values
used by the WHO,

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that we are more than 100 times above the limits
when close to the petrol generator.

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If the diesel generator had no particle filter,
or had a defective filter,

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it would also be far above the limits.

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This clearly shows
that we need to avoid generators.

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They harm employees on construction sites
and can make them seriously ill.

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That is, of course, a tragedy.
We have electric power as an alternative.

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It is about using
the green alternative

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to move away from fossil fuels
and the harm they cause.