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Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

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Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold. The exhaust sample was taken from the exhaust manifold.

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Rystad Energy expects strong growth in hydrogen pipelines through 2035

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This means that among options, hydrogen pipelines will be far better than vessels at moving hydrogen over short to medium range distances, Rystad says. The West Macedonia pipeline is a new natural gas pipeline that started construction in Greece earlier this year.

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EU investing >€3M in research into ultra-efficient aero engines; ULTIMATE project

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The EU is targeting a 75% reduction in carbon dioxide emissions per passenger kilometer between the years 2000 and 2050. Core exhaust loss. The “Core exhaust” loss is primarily due to thermal energy lost to the surroundings, although some excess kinetic energy and fluid friction associated pressure losses contribute as well.

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DNV GL paper suggests near-term success for LNG in shipping; alternative fuel mix to diversify over time

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While renewable energy, particularly solar and wind, may have some potential to mitigate carbon emissions, this is not seen as a viable large-scale alternative for commercial shipping. LNG engines currently being produced cover a broad range of power outputs. —“Alternative Fuels for Shipping”.