The article highlights the ongoing truck driver shortage in the US, which is impacting various sectors such as retail and horticulture, leading to issues like gasoline shortages and challenges in supply and quality of products. The hot weather in the western US and Canada is exacerbating the labor shortage in the horticultural sector. Meanwhile, the supply and trade of Peruvian and Mexican asparagus and cucumbers are also noted, with some increase in supply and prices, but challenges due to truck shortages and high freight rates.