Fuel Additive Firm Sulnox Reports 73% Rise in Q1 Sales Volumeby Ship & Bunker News TeamThe additive is designed to improve bunker fuel efficiency. File Image / PixabayFuel additive firm Sulnox saw its product sales volume rise by 73.1% year on year in the first quarter of its financial year. During the quarter, Sulnox signed its largest supply agreement to date, a four-year deal with Eastern Pacific Shipping (EPS) covering 1.2 million litres of Sulnox Eco. The product helps to improve bunker fuel efficiency, claiming it can deliver up to 5% of fuel savings. Sulnox also raised £2 million during the quarter and ended June with an unaudited cash balance of £1.53 million.