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DNV GL completes study on the properties of EALs for stern tube applications

DNV GL, together with marine insurers The Swedish Club, Norwegian Hull Club, Skuld and Gard have completed a study of the properties of environmentally acceptable lubricants (EALs) for stern tube applications, in response to the growing number of stern tube bearing failures recently. In fact, DNV GL sponsored lab tests demonstrating that EALs behave differently than traditional mineral oils under transient pressure and temperature conditions. 

Chevron’s paper on lubrication in light of 2020 sulphur cap

Chevron Marine Lubricants published its new white paper ‘The 2020 Global Sulphur Cap and the role of cylinder oil lubricants’, exploring the impact of vessels burning fuels with differing sulphur contents to heavy sulphur fuel oil cylinder oil use. The paper also provides recommendations from Chevron’s experts on how to manage the transition between cylinder oils pre-and post-2020.

Organising the switch to low sulphur fuel

As the sulphur cap implementation is imminent in less than 18 months, operators need to worry about many issues as well, other than fuel selection only.  In fact, IMO’s decision to implement a 0.50 per cent cap on sulphur emissions has created uncertainty amongst vessel operators, notes Mr. John LaRese, Marine Fuels Technical Advisor, ExxonMobil who discusses the needs for lubricants and fuel switching.

Lubricant options for a post-2020 world

Shell Marine’s post-2020 cylinder oil expectations are based on a defined position on marine fuel use after the IMO’s cap on sulphur content comes into play, explains Shell Marine Global Technical Manager, Dr Sara Lawrence.

New joint industry project to test biodegradable lubricants

Classification society DNV GL launched a new joint development project with marine insurers The Swedish Club, Norwegian Hull Club, Gard and Skuld, to test the potential influence of Environmentally Acceptable Lubricants on failures in stern tube bearings.

Chevron: Methanol as bunker fuel and other marine lubricants

Many vessels that are using these alternative fuels are dual-fueled, meaning that they have engines able to run either on a higher sulphur conventional fuel or on a virtually zero sulphur content alternative fuel, resulting in more extreme operating conditions within the engine.

Shell awarded big shipping commitment from COSCO

Shell Marine has been awarded COSCO’s largest marine lubricants order in 2017.  This order will include the full range of marine lubricants and technical services for seven out of COSCO SHIPPING’S 10 new generation Ultra Large Container Carriers.

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