Progressive says its device measures how often you brake hard, how many miles you drive each day and how often you drive between midnight and 4 a.m.

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That includes editors whose job is to "enthusiastically" scorch cars around cones on a test track, brake as hard as possible again and again, and hammer the throttle repeatedly in an attempt to produce top performance figures.

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Braking is straight and secure with minimal front-end dive and brake fade in hard stopping situations.

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