Oct. 6 (UPI) -- The Environmental Protection Agency was sued Monday for terminating $7 billion in "Solar for All" grants, intended to help low-income communities install solar panels on homes. The group of plaintiffs -- made up of solar energy companies, labor unions and homeowners -- filed the lawsuit in federal court in Rhode Island . They accused the EPA of ending the program, in violation of federal law, that would have helped them save on energy costs. Solar for All was "expected to save