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CARB & EPA Explained
CARB stands for California Air Resources Board. The have become the last word in automotive emissions compliance and are regulated under the EPA. This relationship has become so inter-weaved over the years that CARB which is technically a State Agency has become the Automotive Emissions Arm for the EPA. Hence, anything approved or exempted by CARB defaults to an EPA Certification.
As mentioned in my last post, CARB and the EPA "do not endorse" "nor make claim for" any product or service under the guise of additional fuel economy, Period. They simply test a given product (in this case) at the manufacturers expense to confirm the "device/product" does not have detrimental effects upon the factory installed emissions control system.
There are a myriad of products on the market that claim to increase fuel economy, but usually at the expense of tailpipe emissions. (The in-line Intake Air Temp Sensor mod is a perfect example, not only does it increase tail-pipe emissions, but it wreaks havoc on the valves being the motor is always running very lean) Long term use will cause significant engine damage being the computer is being fooled into said condition.
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