Car sharing usage will significantly increase, particularly in urban areas among young residents, however most consumers will still opt to own their own cars and car sharing will not significantly hurt car sales, according to a new report. Car sharing will only reduce new vehicle sales globally by about 1 percent over the next five years and less than that in the U.S., the Boston Consulting Group claims in its report, "What's Ahead for Car Sharing? The New Mobility and Its Impact on Vehicle Sales."