This article was produced by National Geographic Traveller (UK). The Amish are fond of a sweet treat, Fannie Yoder tells me as we wander the aisles of her delicatessen in Tennessee’s Amish Country.

Across rural America, a quiet transportation shift is unfolding on gravel roads long dominated by horses and black buggies. In a growing number of Amish settlements, long-range electric bicycles are ...