1.   And a dispute with Laredo officials over where to place a permanent inspection station remains unresolved.

2.   Also, studies have found there are not enough inspection stations and employees to prevent unsafe Mexican trucks from entering the United States.

3.   Carriers hope the government sets up these inspection stations just north of U.S. border towns instead of at international bridges, which would further slow truck traffic.

4.   Cirillo said the new inspection stations will be located where they are needed most, but did not offer specifics.

5.   Computers in the inspection station automatically recognize the truck by scanning from a distance the prepass card mounted on the truck.

6.   Drivers and inspection stations encountered many difficulties in the first months of the new system, but last August the state declared it to be fully in place.

7.   Finally, she suspended the new tests at some inspection stations.

8.   For example, a state could require that only older, presumably dirtier-running cars go to a central inspection station.

9.   For Rodriguez, Thursday was an emotionally grueling day at his pristine vehicle emissions inspection station as he told employee after employee to turn in their uniforms.

10.   He arrived at the inspection station tired, red-eyed and hung over, a fellow inspector told authorities.