Enlarge (credit: John TImmer) As I watched a few berries I had just carted home roll gently down my driveway and into the road, it was hard to escape the sense that my plan to use nothing but a cargo bike for two weeks might have been overly ambitious. Several weeks filled with Canadian wildfire smoke and tornado warnings later, it was pretty clear that I had greatly underestimated the complexities involved. The e-bike I used for my testing, the newly introduced Trek Fetch+ 2, is very good, and it readily hauled whatever I asked of it.