Being "green", or sensitive to the consumption of resources, is a path to fiscal savings. Our transportation costs are not a large percentage of overall expenses, but they can be reduced through planning of capital replacements with efficient vehicles. We haven't proven the viability of an electric truck yet, but switching from gasoline to diesel is one way to save.
It averaged 16mpg on highway.
That vehicle has been replaced with a 2006 Freightliner 2500 Sprinter Van. It has a Mercedes Benz diesel engine. It averages 25mpg on highway.
At apx. 20,000 miles driven per year, that is 450 gallons of gas saved, and when priced at $4/gallon, that totals $1800 every year.