Retail sales of Class 8 trucks in June hit the highest point of the year and improved 12.7% compared with the previous June, Wards Intelligence reported. Sales jumped to 22,358 after reaching 19,840 a year earlier. Year-to-date sales rose 0.6% to 112,255 compared with 111,552 in the 2021 period.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices