Radical Aerodynamic Semi Truck With 0.29 Cd Offers Dramatic Fuel Savings
We’ve looked back at a boxy old International, so how about we gaze into the future? Aerodynamics is overarching key to improved transport fuel efficiency, since hybrid and other advance propulsion technologies have limited impact on long-haul trucks. This proposal by European truck maker MAN slips though the air with a 0.29 Cd (coefficient of drag), instead of the more typical 0.57 Cd. That represents a dramatic potential improvement in economy, but at the expense of an irregular-shaped cargo trailer. That’s going to be a big impediment to the trailer and cargo-handling standardization predominant in the industry. But it shows the potential available. More details on this and some early efforts at truck streamlining after the jump:
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I would think that simply adding skirts to box in the wheels on the trailer would be an economical compromise. Added bonus-the potential for ground effects.