Sunoco Logistics Partners L.P. (Sunoco) has announced plans to convert an existing pipeline to deliver ethane from Marcellus Shale drilling to industrial customers in Canada. Sunoco is joining with MarkWest Liberty Midstream & Resources L.L.C. to develop the project. MarkWest Liberty is a partnership between MarkWest Energy Partners L.P. and the Energy & Minerals Group, an investment fund. The partnership will use new and existing pipelines to transport up to 65,000 bpd of ethane from Western Pennsylvania to petrochemical customers in Sarnia, Ontario.