John Deere are already on it:- https://www.deere.co.uk/en/agriculture/future-of-farming/ All you need is a Government grant to allow installation of high level solar panels in your fields. Then you can grow crops underneath, provide clean energy to the Grid and power your electric tractors. Sadly we don't have a government with vision, so it might take a little longer than we would like. It will happen though. Amazon are starting to buy EV trucks. The Tesla Semi is due out next year. DAF, Voltatrucks are all investing. The new Mercedes eSprinter is coming soon with around 300 miles of range. Electric HGVs offer enormous cost savings and improvements in safety. Tesla have been looking at road trains where the lead Semi takes control of other Semis following close behind and operates the fleet as a single vehicle reducing drag, and making goods transport ever more efficient and clean.