Virgin's teardrop lorries?
Click link to view video:
Virgin Media Sustainability - The Little Red Box
Here, this is better (the real thing - not a cartoon):
Aerodynamic Teardrop Trailer
Don-Bur Launch The Teardrop MK2
Jumpy little site ain't it?
Trailer Aerodynamics
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Fuel consumption is primarily attributable to 3 things: (1) resistance to inertia, (2) rolling resistance and (3) aerodynamics.
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DON-BUR'S "EcoStream" Aerodynamic Curtainsided Double Deck Trailer Under Test
EcoStream Under Test
DON-BUR: DeckStreamer
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Despite the recognised 10-18% fuel saving attributable to the EcoStream, there is an unavoidable loss of load-space. For those operators who are normally able to max-fill the area over the swan-neck, an EcoStream profile lowers the maximum potential.
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