Houston Mayor Bill White's deputy chief of staff Terence Fontaine says the operation will include a cabin gauge showing the temperature in the truck kennel. A siren will sound and a pager will go off when the temperature hits dangerous levels.
Fontaine says the trucks, including the one in which the six dogs died, had a temperature warning system -- but some systems were broken.
An animal control officer was in a restaurant eating lunch Aug. 26 when the dogs overheated. The officer, who says the truck's air conditioning failed, has been temporarily reassigned.
Three dozen trucks will be updated, at a cost of about $36,000.
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