News tagged with quiet vehicles
Hybrid cars too quiet for pedestrian safety? Add engine noise, say human factors researchers
Nov 17, 2008 |
4.8 / 5 (4) |
5
Important pedestrian safety issues have emerged with the advent of hybrid and electric vehicles. These vehicles are relatively quiet—they do not emit the sounds pedestrians and bicyclists are accustomed to hearing as a vehicle ...
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Japan may add noise to quiet hybrid cars for safety
Jul 03, 2009 |
2.8 / 5 (5) |
4
Japan's near-silent hybrid cars have been called dangerous by the vision-impaired and some users, prompting a government review on whether to add a noise-making device, according to an official.
Hybrid Cars Are Harder to Hear
Medicine & Health / Psychology & Psychiatry
Mar 31, 2008 |
2.7 / 5 (3) |
7
Hybrid cars are so quiet when operating only with their electric motors that they may pose a risk to the blind and some other pedestrians, research by a University of California, Riverside psychologist suggests.
ONR and GM partner to test advanced fuel cell vehicles of the future (w/Video)
Mar 18, 2009 |
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1
As the global automobile industry considers alternative energy sources to replace the traditional internal combustion engine, Jessie Pacheco, a mail clerk at Camp Pendleton, has been making his rounds to Marines ...
Purdue wind tunnel key for 'hypersonic vehicles,' future space planes
Jan 02, 2008 |
3.5 / 5 (6) |
0
By using the only wind tunnel capable of running quietly at "hypersonic" speeds, Purdue University engineers have conducted experiments to yield critical data for designing an advanced aircraft called the ...
Aeroacoustics Research Could Quiet Unmanned Aerial Vehicles (UAVs)
Jan 22, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Unmanned aerial vehicles (UAVs) are playing increasingly important roles in many fields. Ranging in size from the huge Global Hawk aircraft to hand-held machines, these remotely controlled ...
Road trains may be coming soon to Europe (w/ Video)
Nov 13, 2009 |
4.6 / 5 (18) |
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(PhysOrg.com) -- Road trains linking vehicles together in a traveling convoy are planned for Europe. With only the lead vehicle being actively driven, the road trains would allow commuters to sleep, read a ...
Beijing vehicles exceed four million: state media
10 hours ago |
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The number of registered vehicles in Beijing topped four million this week, state media reported, meaning a quarter of the 16 million permanent residents in China's capital have a car.
Flying MAV Navigates Without GPS (w/ Video)
Nov 02, 2009 |
4.6 / 5 (13) |
2
(PhysOrg.com) -- During the last several years, researchers have been building micro air vehicles (MAVs) that can autonomously fly through different environments by relying on GPS for navigation. Recently, ...
Drag racing goes green as US electric cars shine
Sep 06, 2009 |
4.4 / 5 (7) |
5
Far from the fury of traditional race-tracks, spectators got a glimpse of the future as they watched electric cars rev up, and silently bomb off around the Mason-Dixon Dragway.
Clemson researchers study energy savings with electric cars and IntelliDrive technology
Sep 28, 2009 |
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Clemson University researchers have been awarded a $470,000 National Science Foundation grant to study making plug-in hybrid electric vehicles (PHEVs) more efficient to reduce fossil fuel use.
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