Barriers for Adoption of Energy Efficiency Measures in Shipping Industry

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Image Credit: Green4sea.com

Shipping is the cheapest and most energy-efficient way of transporting cargoes across the world. Over 90% of world trade is carried by the international shipping industry. For the modern world, without shipping, the import and export of goods from one end to another end of the world are not possible. Seaborne trade continues to expand, bringing benefits for consumers through the lowest and decreasing freight costs. There are around 50,000 merchant ships trading internationally for transporting every kind of cargoes. Everyday each of these ships burns tonnes of fossil fuels to produce the power for propulsion and daily operation. Fossil fuels are the major energy sources in today’s world but still when over consumption takes place lead to disastrous effects such as air pollution and climate change. Burning of fossil fuels in large marine diesel engines produces carbon dioxide, carbon monoxide, nitrogen monoxide, nitrogen dioxide, sulphur dioxide etc. that have severe bad effects on the habitats as well as human health.
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A simple Example of Energy Efficiency Concept

Energy efficiency

Energy efficiency is a very broad term referring to the many different ways we can get the same amount of work (light, heat, motion, etc.) done with less energy. It covers efficient cars on the roads, efficient ships in the waters, improved industrial practices, better building insulation and a host of other technologies. Since saving energy and saving money often amount to the same thing, energy efficiency is highly profitable and great contributor for the climate change issue. Energy efficiency often has multiple positive effects.
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Green Ship Technology for Energy Saving by Air Carpet

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Image credit: Mitsubishi
Accelerating the development of innovative technologies to reduce CO2 emissions from vessels is essential to both cope with rising fuel costs and to improve the world environment. This can be achieved through the development of various CO2 abatement technologies, such as low-friction coatings, hybrid contra-rotating propulsion systems, solar power, and liquefied natural gas-fueled plants. We focus on the proprietary Mitsubishi Air-Lubrication System (MALS), which reduces frictional resistance between the vessel hull and seawater using air bubbles along the bottom of the vessel.
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