The U.S. Treasury plans to create "retirement bonds" to encourage savings by risk-adverse Americans not enrolled in company-sponsored pension programs, Financial Advisor magazine reported. During a symposium last week in Washington, D.C., Deputy Assistant Treasury Secretary Mark Iwry said the bonds would be aimed at employees of companies that don't sponsor retirement programs, part-time employees not eligible for companies' plans, and self-employed or unemployed individuals. The bonds would have the tax characteristics of an individual retirement account and be eligible to be rolled over into an IRA once the savings reach a certain threshold, which has not yet been specified. The bond program would not require Congressional authorization to begin, Iwry said.