From a Yahoo news article.
"Revising rules that would allow truck and automobile manufacturers to install cameras in place of side and rearview mirrors has wide support based on comments received by federal safety officials.
An Advanced Notice of Proposed Rulemaking (ANPR) issued by the National Highway Traffic Safety Administration (NHTSA) in October generated close to 600 comments, most of which were in favor of the plan. The ANPR was issued in response to a 2014 petition filed jointly by the Alliance of Automobile Manufacturers and Tesla to allow camera monitor systems (CMS) to replace outside rearview mirrors on cars and a similar petition filed in 2015 by Daimler Trucks North America for heavy trucks.
In addition to improved safety that video cameras provide by reducing or eliminating blind spots, several comments also pointed out economic benefits. "Allowing truck manufacturers to install CMS in lieu of rearview mirrors would unlock a unique opportunity to make a consequential step forward in the aerodynamic performance of heavy-duty tractors," the Truck and Engine Manufacturers Association (EMA) stated in comments filed in December.
EMA claimed that an estimated 0.8% to 2% improvement in fuel efficiency (from reduced aerodynamic drag caused by eliminating side mirrors) could save a trucking company 160 to 400 gallons of fuel on a single tractor in one year, based on annual consumption of 20,000 gallons of fuel."
Full article here:
https://www.yahoo.com/finance/news/m...222053763.html
JJ