Rislone is moving to a more concentrated product in a 16.9 fl. oz. bottle of Maximum Performance Engine Treatment to replace the quart-size (p/n 100QR) in the Rislone lineup.
Shell Rotella to Make Select Engine Oils Carbon Neutral
Shell will compensate for the carbon emissions produced by the Shell Rotella T6 Full Synthetic and T5 Synthetic Blend engine oils through the buying and selling of carbon credits.