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New fuel savings solution is backed by a contractual guarantee

Written by Nick Blenkey
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Fuelsave's engine efficiency solution is approved by DNV GL

JUNE 13, 2018 — Fuelsave GmbH, a German energy efficiency start-up, has launched a technology that it says is capable of optimizing the fuel consumption efficiency of all marine diesel engines — and is backing its claims with a contractually guaranteed 10% savings on overall fuel costs.

The technology is also said to significantly reduce CO2, NOx, and Particulate Matter (PM) emissions, as the result of a cleaner and cooler combustion process.

The company’s patented FS MARINE+ system uses an onboard hydrogen synthgas generator to inject a gas and liquid water/methanol solution into an engine’s combustion chamber to significantly improve efficiency.

According to Marc Sima, the company’s co-founder and President, FS MARINE+ can be applied to almost all types of two- and four-stroke engines, although those running on HFO, MGO or MDO benefit from the greatest efficiency gains and, consequently, the highest savings and best return on investment (RoI).

Efficiency gains were confirmed during land-based tests carried out by FTVR, an independent test laboratory at the University of Rostock, Germany used by engine builders to assess their engines’ emissions behavior. The test engine results showed that the FS MARINE+ system reduced fuel consumption by up to 11.8%, NOx by up to 36% and Filter Smoke Number (FSN) by 40%. The solution was also shown to reduce the engine’s air intake manifold temperature by 50°C, without detriment to engine operation and performance.

Similar efficiency gains were achieved during pilot trials on a four-stroke onboard a 160 m long heavy-lift crane vessel, one of the largest in Europe. During the 30-month trials, overseen and verified by the shipowner, independent third parties, authorities and engine service companies, the introduction of the Fuelsave solution resulted in significant reductions in fuel consumption and emissions.

Engine wear and tear was also found to have been significantly reduced, compared to those engines that operated without the FS MARINE+ solution. This was due to a cleaner combustion, cleaner cylinder heads, greater cylinder lubrication efficiency and substantially fewer carbon deposits, all of which had a beneficial impact on engine maintenance.

The vessel’s chief engineer and the engine service company also noted that the Fuelsave system led to smoother engine operation with reduced levels of engine vibration.

“Results from these trials have verified the performance of FS MARINE+,” said Sima. “Through independent analysis and reports from engine service and maintenance companies, as well as from a university testing institute, we are confident in introducing the product to the maritime market.

“FS MARINE+ has the potential to reduce fuel costs and emissions considerably. This is why we offer a contractual guarantee of a 10% reduction in fuel consumption. Our pricing model provides a return on investment of just three years within a five-year standard warranty period, extendable for 15 years to further maximize the RoI.”

The technology, approved by DNV GL, can be retrofitted to any vessel, runs completely autonomously and without the need for any special training. It allows operators of older tonnage to achieve IMO Tier I and Tier II compliance and can be used on IMO Tier III engines for even greater fuel efficiencies. This is because the emissions are controlled through the exhaust after-treatment system of a Tier III compliant vessel.

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