I did a reverse image search on that last image and came up with this:
Aerocell SRW
UNICELL Van bodies, fiberglass truck body, fiberglass van bodies
Quote:
"You can get a lot more in this van more shelves for storage. And not having to be on your knees and crawling around makes all the difference in the world."
The Aerocell SRW bridges the gap between cargo vans and cube vans. Designed exclusively for the tough, dependable, comfortable and stylish single rear wheel cutaway chassis, this van body offers all of the same benefits as the original Aerocell: one piece molded fiberglass construction, seamless and glossy gel coat exterior, and aerodynamic styling.
The completed vehicle has the extra height and capacity cargo vans lack, as well as the aesthetics, drivability and convenience missing from most cube vans. The standard package size of the competitively priced SRW makes ordering simple. And all Unicell bodies are backed by a five year limited warranty.
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No mention of aerodynamics, or fuel savings.
The rear door options in these PDF's are pretty cool.
http://www.unicell.com/Portals/66/pdfs/UNC_SRW_FORD.pdf
http://www.unicell.com/Portals/66/pdfs/UNC_SRW_GM.pdf
EDIT:
In the Ford PDF you can see the arc of the roof given the top of the dimension line, looks like just the last foot or so slopes down.
Also found this fuel calculator while poking around.
Aerocell Lifetime Fuel Savings Estimator
http://www.unicell.com/AerocellFuelCalculator.aspx
Quote:
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Notes: Fuel Savings are based on independently calculated coefficients of drag for Unicell model UCPM7916 and Unicell model UCAC7916. Unicell believes this calculator presents a fair estimate of the size of expected fuel savings under the conditions specified in steps 1 through 3 above. Unicell does not warrant the actual fuel saved in any particular application of any Unicell product.
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I don't see any Cd or CdA information yet.