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central business district (CBD) driving cycle
The CBD cycle is a speed-versus-time cycle used to test for bus emissions. This pattern was developed as a general representation of transit vehicle operation in a downtown business district and consists of 14 identical segments. Each segment includes 10 seconds of acceleration, 18.5 seconds of cruising at 20 mph, 4.5 seconds of deceleration, and 7 seconds of idling. Total driving distance is two miles.
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- Part of Speech: noun
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- Industry/Domain: Automotive
- Category: Vehicle equipment
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