Heavy-Duty Trucks Market - Growth, Trends, COVID-19 Impact, and Forecast (2022 - 2027) The Heavy-Duty Trucks Market has been Segmented by Tonnage Type (10 – 15 metric ton and more than 15 metric ton), Class (Class 5, Class 6, Class7, and Class 8), Fuel Type (Diesel, Natural Gas, Hybrid Electric Vehicle, and Gasoline), Application Type (Construction and Mining,