I agree. FOD (Foreign Object Debris) at high speed can damage a car and cause a crash. Lets assume that a metal object on the highway hit the underside of this

I agree. FOD (Foreign Object Debris) at high speed can damage a car and cause a crash. Lets assume that a metal object on the highway hit the underside of this car; If that same object severed a fuel line or hit the gas tank of a conventional car, A fire could result.