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

A '''catalytic converter''' is a device used to reduce the emissions from an internal combustion engine. Most commonly used in an [[automobile]] # [[reduction]] of [[nitrogen oxides]] to [[nitrogen]]: NO_x &rarr; O<sub>2</su

...amshaft timing (in an effort to reclaim some of the power lost through the reduction in compression). Many other engine changes were made, including the use of

...s and complications needed to comply with increasingly-strict [[automobile emissions control|exhaust emission]] regulations of the 1970s and 1980s gradually ero :*emissions performance

...response to Canada's initial proposal. The DOT proposal for DRL intensity reduction was rescinded in 2004. ...for an effective DRL without significantly increasing fuel consumption or emissions.

...of larger pipe than the rest of the exhaust system. This produces a final reduction in pressure, as well as prevents rusting of the tips, and can be used to en *[[Automobile emissions control]]

...e criticized for poor [[fuel efficiency]] and [[emissions standard|exhaust emissions]]. ...consumption is now within normal limits while passing [[California]] State emissions requirements.

...re super sports cars: for the most dynamic performance, as well as for low emissions. We will apply this technological advantage right across our model range. E ...ly stiff and highly precise. Lighter cars improve fuel consumption and CO2 emissions: above all, however, it improves the power-to-weight ratio - the crucial fa

|CO2 emissions g/km : Final Reduction 3,562

...ctrons from a hot surface, because of the same physical laws that increase emissions of vapor from hot surfaces. In addition, electrons are emitted where the e ...the fuel-air mixture may not be noticeable directly, but will show up as a reduction in the engine's power and fuel efficiency. The main issues with spark plug

...tart of injection''' of fuel into the pistons is key to minimising their [[emissions]] and maximising the [[fuel economy]] (efficiency) or the engine. The exact ...uses incomplete combustion. This results in higher Particulate Matter (PM) emissions and higher smoke.

The never ending quest for weight reduction resulted also into the combination of structural and non-structural or aest ...r compared to the other Mercedes-AMG V12 engines developed for Pagani, CO2 emissions as well as the fuel consumption have been reduced, to make the Huayra class

...s, the Panda was gradually phased out across [[Europe]], due to tightening emissions and [[NCAP|safety legislation]]. The car remained in production in Italy un ...1.1 and 1.2 petrol engines respectively, with better fuel economy and CO2 emissions. Both models also qualify for £35 annual road tax in the UK, and replace t

...go area, and power output, while increasing energy efficiency and reducing emissions. The Honda Insight, while not matching the demand of the Prius, is still be ...er may be partially due to the state's higher gasoline prices and stricter emissions rules, which hybrids generally have little trouble passing.

...MotoGP regulations that give twin-cylinder machines a considerable weight reduction over four, five or six-cylinder bikes. However, analysis indicated that a t *Emissions: [[Euro 3]]