Abstract
Abstract: This paper is the result of the detailed theoretical researches and empirical experiments realized by our team members (in the laboratories of BIOCOMB consortium from Cluj-Napoca) with purpose of pointing out the functioning conditions with satisfactory results of biodiesel in diesel engines. It has been established that the use of vegetable fuels in Diesel engines is posible, but not in any condition.
Keywords: engine, Diesel, biodiesel, performance.