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*electronic valve control *downsizing (lower displacement, electronic valve control EVC)

...lution]]-causing emissions produced by [[automobile]]s. Exhaust emissions control systems were first required on 1966 model year vehicles produced for sale i ...in the number of vehicles in use, have meant that the overall reduction in pollution has been much slower.

...ngine braking passively reduces wear on brakes and helps a driver maintain control of the car. It is always active when the foot is lifted off the accelerator ...(shifting into a lower gear) is only advantageous when it is necessary to control speed while driving down very steep and long slopes. It should be applied b

...nergy]] sources currently require more expensive production and processing technologies than conventional petroleum reserves, but may become economically viable in ...these emissions, such as command-and-control (which mandates the amount of pollution or the technology used), economic incentives, or voluntary programs.

[[electronic valve control]] (EVC), low pressure [[exhaust gas recirculation]] (EGR), and advanced com ...tomatically to follow minimal energy consumption and minimal environmental pollution, performance may suffer. The motor vehicle industry doubts that customers m

...types designed to reduce combined NO_x+HC [[automobile emissions control|emission]]s from 12 [[gram]]/[[horsepower#Brake horsepower (bhp)|BHP]]hour ...ssion ignition engine it is necessary to change the exhaust gas - two main technologies are used for this - [[SCR]] ([[selective catalytic reduction]]) and [NOx] (

...vapor]] as exhaust. Another benefit is that, theoretically, the source of pollution created today by burning fossil fuels could be moved to centralized power p ...thane]], in a modern [[internal combustion engine]], but they produce more pollution than would use of that energy in [[plug-in hybrid electric vehicles]]. Hyd

...he sound it makes. However this is almost extinct because of the amount of pollution it causes. ...They are also not well-equipped to protect their passengers from rain, air pollution or extremes of temperature.

...f rigidity through the application of new advanced composite materials and technologies first tested on the Zonda R. The fuel tank is located integrally in the bes ...immediate response to the slightest throttle input, giving the driver full control over the engine at any rpm and preventing unwanted delays in the delivery o

...he [[Henney Kilowatt]] - heralded the development of the electronic speed control that paved the way for modern hybrid electric cars. The Henney Kilowatt was ...ted automakers’ moves to produce hybrid electric vehicles as evidence that technologies developed under PNGV were being rapidly adopted on production lines, as cal

==Alternative technologies == [[Automated highway system|Automated control]] has been seriously proposed and successfully prototyped. Shoulder-belted

...rial realms. In its early years, bicycle construction drew on pre-existing technologies; more recently, bicycle technology has, in turn, contributed ideas in both ...developed, enabling the rider to coast without the pedals spinning out of control. This refinement led to the 1898 invention of ''coaster brakes''. [[Deraill