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Study Reveals LNG Cuts GHG Emissions by 21%

SGMF Report Infographic

A new independent study report launched today has revealed that Greenhouse Gas (GHG) reductions of up to 21 percent are achievable now from LNG as a marine fuel, compared with current oil-based marine fuels over the entire life-cycle from Well-to-Wake (WtW), according to a press release.

It also confirms that emissions of other local pollutants, such as sulphur oxides (SOx), nitrogen oxides (NOx) and particulate matter (PM), are close to zero when using LNG compared with current conventional oil-based marine fuels.

The study, commissioned by SEA\LNG and the Society for Gas as a Marine Fuel, was conducted by leading data and consultancy provider thinkstep according to ISO standards. The report, which has been reviewed by a panel of independent academic experts, is the definitive study into GHG emissions from current marine engines.

The Society for Gas as a Marine Fuel (SGMF) is a non-governmental organisation (NGO) established to promote safety and industry best practice in the use of gas as a marine fuel. It has Consultative Status with the IMO and is the definitive information resource for the industry

Commenting on the report, SEA\LNG Chairman Peter Keller stated: “The Life Cycle GHG Emission Study is a long-awaited piece of the “LNG as a marine fuel“ puzzle.  It not only confirms what we already knew in terms of LNG’s immediate impact on air quality, human health and its cleanliness, but clearly highlights the genuine, substantiated GHG benefits of using today’s marine engines capable of burning natural gas. Moving from current Heavy Fuel Oil (HFO) to LNG does reduce GHG emissions.  LNG does contribute to the International Maritime Organisation (IMO) GHG reduction targets. And It is clear that LNG is the most environmentally-friendly marine fuel that is readily available and safe, both today and in the foreseeable future.”

Study partner Chad Verret, Society for Gas as a Marine Fuel (SGMF) Board Chairman, added: “LNG is safe to use, fully compliant and readily available as a marine transport fuel. Standards, Guidelines and Operational Protocols are all in place to ensure that the safe way is the only way when using gas as a marine fuel. LNG meets and exceeds all current and 2020 Marine fuel compliance requirements for content and emissions, local and GHG. With the world LNG Bunker Vessel fleet doubling in the next 18 months and those vessels being deployed at major bunkering hubs, LNG as a ship fuel is rapidly becoming readily available.”

The comprehensive report used the latest primary data to assess all major types of marine engines and global sources of supply with quality data provided by Original Equipment Manufacturers including Caterpillar MaK, Caterpillar Solar Turbines, GE, MAN Energy Solutions, Rolls Royce (MTU), Wärtsilä, and Winterthur Gas & Diesel, as well as from ExxonMobil, Shell, and Total from the supply side. 

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