Since 2011, Bennamann has been making synthetic fabric domes, or membranes, that stretch over manure ... tractor, though CNH says that premium is covered in less than a year of refills via cow.

New Holland Agriculture has announced a new tractor designed to run on fuel created on-site using cow manure. The T7 Methane Power LNG offers the same power and torque as a diesel tractor ...

It is one of the first places in the world where one can find a tractor that runs exclusively on methane, the completely natural and highly polluting byproduct of pretty much any organic ...