From the beginning of the industrial revolution emissions have become an ever-growing concern. The use of fossil fuels as an energy source today is a major source of air pollutants. In recent years through public pressure, governmental regulations on the emissions produced by engines have become increasingly stringent. These regulations are requiring the reduction of emissions levels at exponential rates - thus making an engine that was produced only a few years ago seem incredibly dirty when compared to current regulatory levels of emissions.
Given that large marine diesel engines in particular can operate for several decades, those engines that were produced only 11 or so years ago are running without any emissions requirements, and will continue to be running for the foreseeable future. Even now the EPA is enacting regulations to improve the emissions from these engines.
In the commercial marine environment further challenges are coming. More and more harbors around the world are starting to require that vessels operating in their waters have engines that meet the most current regulations. Owners and operators will now be faced with some tough decisions in such situations. Do you repower, do you upgrade or do you move your vessel to another region?
In this ever-changing regulatory sphere, how do you see diesel exhaust emissions affecting your business and your impact on the environment?
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