Wärtsilä, a leading supplier of flexible power plants for the decentralised power generation market, has successfully performed a number of tests that demonstrate the ability of its engines to run on a range of vegetable and animal-based oils. This enables a wider range of renewable fuel options for the Wärtsilä engines, while at the same time enabling further CO2 emission reductions.

In the tests, conducted between February and April of this year at the VTT technical research centre in Espoo, Finland, a Wärtsilä Vasa 4R32 engine successfully operated on jatropha oil, fish oil and chicken oil.

The first tests with engines running on a liquid biofuel were carried out in 1995, when Wärtsilä began testing with rapeseed oil. Since 2003, Wärtsilä engine power plants have been in commercial operation using palm oil as the fuel source. Wärtsilä has, as an example, a market share of more than 95% in Italy for power generation from liquid biofuels. The aim of these recent tests has been to assess the capability of engines to operate on renewable fuels that do not compete with agricultural uses.

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