Workhorse has hybrid electric vans and trucks that could be what youre looking for,,
http://workhorse.com/stepvansSavings
Workhorse electric trucks have demonstrated potential to deliver more than $150,000 total cost of ownership savings per truck. These savings come from:
400% improvement in fuel efficiency
60% or greater reduction in maintenance expense
Workhorse’s ground-breaking technology gives companies the ability to improve fuel efficiency from 5.5 MPG to more than 26 MPGe and to significantly lower fleet maintenance, redefining the economics of the package delivery business.
