02/10/2008 00:14. Mercedes-Benz will add clean-burn technology to its luxury sedans by the end of 2008 with its S320 CDI BlueEfficiency, the replacement for the S320 in markets with compatible diesel.

That does not, alas, include South Africa.

Mercedes claims an improvement of about 10 percent in fuel consumption and emissions thanks to on-demand power steering, a trick auto transmission and special 17" low rolling-resistance tyres
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The hydraulic power-steering has an electric pump that... // Motoring