BOSTON (REUTERS).- Boston moved on Wednesday to ask hospitals, universities and other tax-exempt nonprofit organizations to pay more to support basic services like fire-fighting, police and road maintenance. The city, whose property tax accounts for some 64 percent of its revenues, is already among the more than 100 U.S. municipalities with programs designed to get tax-exempt nonprofits to make payments in lieu of taxes — known as PILOT schemes. But Boston, where reduced revenue due to the deep recession and foreclosure crisis has resulted in layoffs and cuts in services, said it wanted a more structured method to encourage nonprofits to make payments for city services. “It’s about fairness,” Boston Mayor Thomas Menino said in an interview with WBZ radio. “It’s about