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ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

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Additionally, LNG engines are tuned to either emit low nitrogen oxide (NO x ) emissions—at the cost of higher methane emissions in some cases—or to incorporate NO x reduction technologies such as exhaust gas recirculation (EGR) or selective catalytic reduction (SCR). —Pavlenko et al.

Mariner 427
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Next-generation LNG carrier concept about 8% more energy efficient, with 5% more cargo

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DNV GL announced the completion of the LNGreen joint industry project, which worked to develop a state-of-the-art next-generation LNG carrier. The design is future compliant with new IGC code, Panama requirements as well as significant advances in a range of features, including the speed-range flexibility, hull form and boil-off rate.

Concept 150
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MHI completes development of new-generation LNG carrier; reductions in size and weight, with more capacity and 20% lower fuel consumption than conventional ships

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Mitsubishi Heavy Industries, Ltd. The continuous cover over the tanks improves aerodynamics by substantially reducing wind pressure which serves as a drag on ship propulsion. Mitsubishi Heavy Industries Technical Review Vol. Mitsubishi Heavy Industries, Ltd. Bottom : Conventional Moss-tank carrier. Source: MHI Tech.