Reserve capital is not spent capital. A dollar held behind a residual value guarantee is paid out only if the vehicles are worth less than the guarantee when the lease ends. So the same public or philanthropic dollar can put far more electric trucks on the road than a purchase subsidy can.

The tool below runs a single scenario through the views of the people who have to agree on it. Change the segment, the state, the fleet size and the pricing dials to find where the numbers hold and where they break.