Eco Tractor

Eco tractors , today are eco things very much in use , tractors on diesel are also in use but thats not so good for the nature . tractors whit an eco sistym very clean  just as tractors on hydrogen . they are one of the cleanest tractors because it's on water . at the eco tractor's you don't have more gears you have one gear and that gear can go to 50 or 60 km/u that called the 'vario' it's al whit eco systims . the most famous tractor on the eco marked is fendt . fendt is very clean for the nature and New Holland is that also . but the only thing that not so good is .... it is very expensive . the bigest fendt cost 300.000 or more and the smaller fendt cost 80.000