Next Draft of California Auto Glass Regulations
Expected in Mid-March
February 25, 2010
The next draft of the California "Cool Cars" auto glass
regulations are due out in mid-March, according to Dr. Marijke Bekken,
the California Air Resources Board (CARB) representative overseeing
the process. The last draft of the regulations, designed to mandate
reflective properties of auto glass in new cars sold in the state
models 2012 and later, was released in late-December, followed by
a 15-day public comment period. (CLICK
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"We are working to finalize the 15-day changes and hope to
have them out soon for public comment," Bekken told glassBYTEs.com/AGRR
Bekken said the group originally had hoped to release the latest
draft this month. She was unable to comment on what types of comments
had been received.
"The draft nature of the release allowed the comments to be
confidential, so in many instances I cannot say who suggested what,"
she said. "However, comments to the 15-day will be made part
of the official rulemaking record and will be posted on the web."
The latest draft of the regulations released in December included
several key requirements:
- "For 2012 model year vehicles, at least 25 percent of each
manufacturer's projected California vehile sales volume must use
a windshield with a (total solar transmittance (Tts) less than
or equal to 50 percent;"
- "For 2013 model year vehicles, at least 50 percent of each
manufacturer's projected California vehicle sales volume must
use a windshield with a Tts less than or equal to 50 percent;"
- "For 2014 and 2015 model-year vehicles, all windshields
must have a Tts less than or equal to 50 percent."
In addition, the latest draft would permit an option for 2016 and
subsequent model-year vehicles that allows manufacturers to "demonstrate
equivalent solar control using the specified alternative test procedure
approved in advance."
The goal of the regulations is to reduce the amount of heat that
is transmitted through the glass, thus easing the load on a vehicle's
air conditioner and reducing greenhouse gas emissions in the state,
as part of an initiative taken on by the state with its passing
of AB 32 in 2006-also known as the Global Warming Solutions Act.
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