Blackout Bowen announces 60 electric delivery trucks - @ $40M or $666K each, page-54

It's funding that can be applied for.
In return for conducting the trial the company has to report their findings to competitors. The company installs chargers and solar panels buys some ev trucks and trains staff.
Part of Labor policy to accelerate a transition to a net zero future that Australia signed up for.
A long, difficult and expensive transition with waste along the way (Previous carbon capture investment comes to mind).

https://arena.gov.au/funding/driving-the-nation-program/

Announced in 2022, the Government’s Driving the Nation Fund provides $500 million to invest in cheaper and cleaner transport. This funding builds on the former ‘Future Fuels Fund’ (established in 2020), targeting support for business fleets, new technologies for heavy and long-distance vehicles, public charging and hydrogen refuelling stations and smart charging.