It’s like anything else that’s multi-reason; you buy a camera lens that will do 18mm to 300mm and it’ll never ever be nearly as good for a two lenses that just do eighteen and 300mm respectively. There’s all kinds of systems to assist engines function in excess of rev ranges https://waylonftclt.blogdosaga.com/32613843/the-ultimate-guide-to-gearbox-cvt