Equity Residential, a leading US owner and operator of apartment properties, and Zipcar have announced a strategic partnership that will expand the presence of Zipcar's car sharing services at Equity Residential apartment properties. As part of this agreement, Zipcar, which claims more than 560,000 members and over 8,000 vehicles in urban areas and college campuses throughout the United States, Canada and the United Kingdom, will provide vehicles onsite at Equity Residential properties in New York, Boston,