November heating oil prices traded lower during the early morning hours, slipping to their lowest level since January 28th. The weak outside market tone, with a rally in the US Dollar and broad equity and commodity market weakness, remained a negative for the heating oil market. Midwest cash markets garnered a lift yesterday from the closure of Enbridge's Oklahoma through Illinois pipeline, and that is seen as a factor that could put upside pressure on diesel prices as the fall harvest picks up.