Evaluation of Rear Window Defrosting and Defogging Systems: NHTSA Technical Report DOT HS 809 724 - Couverture souple

Department Of Transportation: National Highway Traffic Safety Administration

 
9781492389217: Evaluation of Rear Window Defrosting and Defogging Systems: NHTSA Technical Report DOT HS 809 724

Synopsis

Rear window defrosting and defogging systems are not required on motor vehicles by any Federal standard. Rear window defoggers became available as optional or standard equipment in most cars during the 1970's or 1980's and are popular with consumers. Today, almost all passenger cars, minivans, and sport utility vehicles have rear window defoggers, but most pickup trucks and full-size vans do not. The analysis examined whether there were proportionately fewer backing-up and changing-lane crashes involving cars with rear-window defoggers than cars without rear-window defoggers. The database was extracted from State crash files.

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