BP Lubricants USA Inc. introduces Castrol® Elixion™, a high-performing full synthetic diesel engine oil. Formulated with superior synthetic base oils, Castrol Elixion provides easy cold-weather start-ups and also protects against the intense heat produced by today's diesel engines. The highly advanced chemistry of Castrol Elixion helps to reduce harmful emissions and provides extra protection against piston deposits, wear, soot and oxidation.