International, national, regional, state and local regulatory bodies and agencies have been driving research and development of cleaner diesels and fuels through the enactment and enforcement of stricter emission regulations. MAN Diesel and Wartsila, the world's largest marine diesel engine manufacturers, are part of a EURO 25 million international effort, called HERCULES-Beta. The project's aim is to reduce marine diesel engine fuel consumption by 10% and to improve the efficiency of marine diesel propulsion systems to more than 60%, significantly reducing CO2 emissions as a result.
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