Oil painting oil painting techniques had almost completely replaced the use of tempera paints in the majority of Europe. In recent years, water miscible oil paint has become available. Water-soluble paints are either engineered or an emulsifier has been added that allows them to be thinned with water rather than paint thinner, and allows, when sufficiently diluted, very fast drying times (1–3 days) when compared with traditional oils (1–3 weeks). Traditional oil painting techniques often begin with the artist sketching the subject onto the canvas with charcoal or thinned paint. Oil paint is usually mixed with linseed oil, artist grade mineral spirits,
Metro Fuel Oil Energy plans to process 100% renewable biodiesel which can be blended with heating oil or diesel fuel. The plant will employ technology that will enable United Metro Energy to capture and utilize waste generated by the process. The plant is scheduled to open in Third Quarter 2012. United Metro Energy was founded in 1942 when Pauline Pullo recognized that home heating oil was a cleaner, more efficient alternative to coal in the heating fuel market. United Metro Energy remained a relatively modest retail operation until, in the late 1970s, when Paul J. and Gene V. Pullo, Pauline’s grandsons, took over