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The device makes hybrid electric vehicles sound more like conventional internal combustion engine cars when the vehicle goes into the silent electric mode (EV mode), but at a fraction of the sound level of most vehicles. At speeds higher than between 20 miles per hour (32 km/h) to 25 miles per hour (40 km/h) the sound system shuts off.
resistors: the braking resistors of electric trains, used to dissipate electrical power when the catenary is not receptive during braking, can make electromagnetically induced acoustic noise; coils: in magnetic resonance imaging, "coil noise" is that part of total system noise attributed to the receiving coil, due to its non-zero temperature.
A fire in a Kona Electric occurred in Bucheon, Gyeonggi Province, South Korea on August 9, 2019. The flames began at the floor of the rear seat of the vehicle, which was parked at the time. [159] On August 13, 2019, a Kona Electric caught fire while being charged in an underground parking level at an apartment in Sejong City, South Korea.
Road rage can include: [5] Shouting, excessive use of a horn or obscene gestures and threats. Actions such as cutting off another vehicle, driving closely, blocking another vehicle so that it can not use a traffic lane, brake checking, chasing another vehicle or running it off the road, or deliberately slamming into a vehicle.
Roadway noise is the collective sound energy emanating from motor vehicles. It consists chiefly of road surface, tire, engine/transmission, aerodynamic, and braking elements. Noise of rolling tires driving on pavement is found to be the biggest contributor of highway noise and increases with higher vehicle speeds. [1] [2] [3]
In Germany, 2.9% of myocardial infarction cases can be attributed to road traffic noise, with the 1.5% of the population exposed to greater than 75 dB(A) accounting for 27.13% of that. In total, an estimated 800,023 Disability-adjusted life years are lost due in urban populations due to road traffic noise in the EU. [ 15 ]
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Since its founding in 1947, the AAA Foundation has sponsored over 200 projects related to highway safety, covering topics such as distracted, impaired, and drowsy driving; road rage; graduated driver licensing; driver's education and training; and pedestrian safety. The AAA Foundation research agenda is centered on four priority areas: Driver ...