https://www.ccjdigital.com/regulations/article/15065487/walmart-fleet-testing-the-worlds-cleanest-combustion-engine
Also checkout this prototype advanced turbine-powered, range-extending series hybrid powertrain.
Spotted Cactus Grey, Big Bend 2 Door Sasquatch at the ORVT Roush operations building!
Credit: u/H0pelessOpus (reddit)
https://www.roushperformance.com/vehicles/2020-roush-f-150-511-tactical.html