My vote is for Option-C, acoustic energy is modified by clause "prevented from dissipating by ". Hence making meaningful sense.

Northern Air has dozens of flights daily into and out of Belleville Airport, which is highly congested. Northern Air depends for its success on economy and quick turnaround and consequently is planning to replace its large planes with Skybuses, whose novel aerodynamic design is extremely fuel effic...

Hey,
In option-A, no comparison one can found between trucks/cars with trucks alone, moreover its a trap by not infusing any word and S-V agreement (numbers in place of number).

Rgds,