Quote:
|
Originally Posted by curtissac
Trucks don't need that much power to move heavy loads on level highways, but I think they will slow to a crawl on grades with the smaller engines needed to get the gains of hybriding.
|
Depends on the speed. At 40 or 50 they don't need much but the horses required increases exponentially due to air resistance. Lot's of drag on those big trucks. That is one of the reasons trains are so efficient (after the low rolling coefficient of steel-on-steel). A train has many cars behind the loco while a truck only has one or two trailers. A train is kinda like a long line of trucks drafting each other.