Silent 30mph e-bikes on pavements are a big concern in Sheffield today but seven years ago all the talk was of a new era of ...

In 2018 for many cities outside China they became a little less numerous, as the Chinese bike sharing service Ofo contracted its operations and pulled its distinctive yellow machines from the streets.

We'll be seeing fewer yellow Ofo bikes around the U.S. Credit: Helen H. Richardson/The Denver Post via Getty Images The bright yellow Ofo bicycles came into our country fast and furious last ...