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...ed to contribute a proportionately large share of the total societal noise pollution. ...tists for answers regarding the planning of new roadways and the design of noise mitigation.

...chael Hogan, '' Analysis of Highway Noise'', Journal of Water, Air, & Soil Pollution, Vol. 2, No. 3, Biomedical and Life Sciences and Earth and Environmental Sc

'''3. Pollute Less.''' [[Hybrid Cars|Hybrid cars]] reduce smog and noise pollution. They produce up to 90% fewer emissions depending upon the type of hybrid a

...wild>[http://www.wildlandscpr.org/node/258 The Impacts of Off-Road Vehicle Noise on Wildlife]</ref> according to the U.S. Forest Service, old-style [[Two-st ...n 32 million cars every year."<ref Name="ENS2">{{cite web| title = New Air Pollution Rules Target Off Road Vehicles| work = Article| publisher = Environment New

*A [[catalytic converter]] to reduce air pollution. *A [[muffler]] (North America) / [[Muffler|silencer]] (Europe), to reduce noise.

...capable of this advantage, due to the fact that trolleybuses also lack the noise of steel wheels on rails, unlike Trams.

...axicab service may operate for 10-20 hours per day, the reduction in local pollution and noxious emissions may be more significant than that achieved by hybrids ...ed petroleum consumption and [[roadway air dispersion modeling|vehicle air pollution emissions]] worldwide<ref>{{cite web | title=Real Hybrid Mileage Database |

...r organizations have noted several consequences of illegal ORV use such as pollution, trail damage, erosion, land degradation, species loss, and habitat loss<re ...y common in vehicles designed for off-road use) also causes concerns about pollution, because "two-stroke engines emit about 20 to 33 percent of the consumed fu

...ons) vehicle, the LS600h L is estimated to produce just 20 per cent of the pollution that causes smog than that of conventional V8 power plants. The vehicle use Since there is inherent noise, vibration and harshness (NHV) generated by most [[Hybrid Cars|hybrid]] pow

* Produces 80% less pollution (smog forming emissions) than similar gasoline-only cars. ...de is quieter thanks to a new acoustic-insulated windscreen that cuts wind noise.

Some limits were imposed to reduce pollution and noise. Limits can also be put into place temporarily through dynamic traffic guid ...on increases with speed, and fuel conservation is a key factor in reducing pollution. Safety issues have been cited as well with regards to speed-related fatali

...ing burned at high temperatures and low pressures, which produced very low pollution. ...obiles of the day, and its ability to run in eerie silence apart from wind noise gave it a distinct edge. At 70 mph in a Doble E-series, there was little no

...as suitable vehicles for women drivers due to their cleanliness, lack of noise and ease of operation. ...noting that the issues of traffic jams, noise pollution, total life-cycle pollution, energy expenditure and the health toll of a sedentary lifestyle, will not

...to more complex engines, lack of availablity of fuel, and a higher rate of pollution. The emission problem is why diesels aren't currently sold in California an ...tion diesels, which for some buyers was enough to compensate for the extra noise.

...]], but the move was rejected by West Oxfordshire council due to noise and pollution concerns.<ref>{{cite web