Water contamination can be tremendously damaging to diesel engines, resulting in inefficient operation, expensive repairs and may also result in shortened engine life. Official tests on the fuel found a water content of over twice the acceptable maximum.
Read more: http://www.maltatoday.com.mt/news/court_and_police/74051/fishermen_sue_fuel_supplier_over_contaminated_diesel#.WJPSTvkrK0o