> These things don't pollute as much as a truck I don't think it's as clear cut as that. Farming and keeping animals consumes a lot of natural resources. Keep

> These things don't pollute as much as a truck I don't think it's as clear cut as that. Farming and keeping animals consumes a lot of natural resources. Keep in mind that you'd need a lot of time and a lot of oxen or horses to haul two tons of material.