ANN ARBOR – The City of Ann Arbor is expanding its electric bike discount program, which it originally launched in July. Part of the Ann Arbor Office of Sustainability and Innovations, the partnership program with Human Electric Hybrids in Kerrytown has expanded to include Arbor Vacuum. As part of the city’s sustainability goals, Arbor Vacuum is offering $100 off all e-bikes. Customers can also enjoy discounts on two e-bike models at Human Electric Hybrids. To secure the discount, customers only need to mention the discount program at check out.