Aggressive drivers, poorly maintained vehicles, and overloaded vehicles pose serious threats to road safety.

And how much latitude does the Secretary have in determining that vehicles pose an "unreasonable risk" of death or injury, the term he must use in ordering recalls?

The debate over the dangers that sport utilities and other large vehicles pose to smaller cars had then begun to intensify.

Bigger vehicles, he says, do not pose a safety problem.

In that trial, Ford denied any defects, saying its vehicles were no more prone to stalling than any others and posed no safety hazard.

But when will they reduce the public health risks these vehicles pose?

Although this vehicle would probably pose no export problems for the purchaser, some art objects offered at the Galleria Luigi Bellini might.

Jeffrey R. Miller, the highway safety agency's acting administrator, said light trucks and multipurpose vehicles have posed a relatively minor safety problem.

The wheelbase also affects the load the vehicle poses to the track, track infrastructure and bridges.

Pedestrians, bicyclists, and horse-drawn vehicles all pose hazards and can be encountered even on major routes.