Ever stricter targets for CO_2 and NO_x have led engineers to develop and integrate more complex technologies to reduce harmful emissions from the tailpipe. But when the vehicles you produce aren't necessarily solely used as a transport tool, this process becomes a difficult balance. With benchmark compact cars, the emphasis is on efficiency and practicality. The VW Golf and Ford Focus may use an abundance of technologies, ranging from downsized turbocharged gasoline engines to complex aftertreatment systems to improve efficiency and reduce emissions.
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