In Denver, e-bike vouchers have been a smashing success. Every other month, Denverites can snag $300 discounts on e-bike purchases and $500 on e-cargo bikes, with higher rebates offered for low-income cyclists. The available vouchers are typically snatched up in minutes. On Sunday, the first warm spring day in Denver, the transformative effects of the more than 5,000 discounted e-bikes on the city’s infrastructure were clear.