Of the almost 5 million commercial buildings in the U.S., retail buildings account for the largest energy bills and are responsible for the second largest percentage of greenhouse gas emissions, according to the EPA. There are a growing number of retail companies that are embracing the principles of sustainability, taking actions that are tangible, measurable and meaningful in reducing the use of scarce resources and improving the efficiency of their businesses. For a large company, this can add up to millions of dollars in annual savings.
By Dynamic Air Quality Solutions based in Princeton, NEW JERSEY (USA).
In a world where there is a drive for everything to be quieter, vehicle noise measurement and control is a growing application. If measurements need to be made to ISO 5130:2007, which is an internationally recognised standard for vehicle exhaust noise testing, a more detailed measurement needs to be made. ISO 5130:2007 requires three consecutive measurements to ensure repeatability. These measurements are taken at a specified engine speed, or RPM, and the maximum sound level produced during the test is taken.
By Pulsar Instruments plc based in Filey, UNITED KINGDOM.
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