Preem is the biggest oil company in Sweden. Their refineries are among the most modern and environmentally-friendly in the world. Preem’s mission is to produce fuels in an environmentally and ethically sustainable way. A responsible attitude that spills all the way down to their stores and gas stations, with healthier food, eco-friendly, fairtrade coffee and so on. Preem constantly strive to get better and to increase the proportion of renewable components in their fuels. Their latest diesel blend, Evolution, is made with Swedish pine tree oil and reduces emissions by up to 27%. That makes it one of the most eco-friendly diesels in the world. We have been working with Preem since 2010.