While trains are one of the most environmentally friendly modes of transport, Etihad Rail has taken even further action to minimise environmental impact, implementing the stringent standards employed by the United States Environmental Protection Agency with regards to engine emission levels. Under these measures, Etihad Rail has ensured that its engines meet Tier 3 engine emission levels, which minimises environmental impact by monitoring and lowering exhaust emissions produced by locomotives and controlling nitrogen oxide, sulphur oxide, volatile organic compounds, particulate matter and carbon monoxide levels.

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