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Better operational practices can reduce emissions to air from
today’s ships by some 15%.
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A new tool, the DNV Triple-E, has also been
developed to obtain measurable improvements for individual ships.
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Ships from all market segments can reduce their air emissions. On
average, optimising the engine performance, the trim for all
drafts and speeds and the propulsion system efficiency and, among
other measures, improving voyage management can reduce emissions
by 15% for all type of ships – all to be achieved without
additional costs. Even greater reductions might be possible.
DNV has developed a set of abatement curves to plot the achievable
emission reductions against the estimated cost effectiveness.
These curves are a result of research activity within DNV but are
based on factual and measurable improvements achieved by owners,
operators and individual ships in operation.
Tor Svensen, the COO of DNV Maritime, says: “DNV has worked with
clients on energy management projects for years, and gained lots
of experience and factual knowledge when it comes to both emission
reduction potential and cost reduction potential. This excellent
cooperation with mainly owners and operators has been essential to
ensure the quality and accuracy of our research results.”
The DNV Triple-E (Environmental & Energy Efficiency Rating Scheme),
based on assessment of management systems and verifiable
monitoring functionality gives an objective assessment of an
individual ship’s performance irrespective of age or type. For the
owners and operators this is a tool to set targets, monitor
improvements and document their success across a range of
performance benchmarks.
“Triple-E is more than a rating system, although it does provide
an auditable ranking of green performance. Our intention is to
provide this as a tool to bring tangible benefits to ships and the
environment,” says Mr Svensen.
“The pressure to reduce pollution and greenhouse gas emissions is
growing all the time and we intend to be at the frontline of this
endeavour,” he says. “The 15% emission reductions can be managed
now by the existing fleet. When looking into the future and taking
into account that further reductions can be achieved by new
technologies, I am convinced that the shipping industry will be
able to attain carbon neutral growth.”
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World Fishing Today June 2009 |
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