Audi S5 TDI sportback test

  Audi S5 TDI sportback test While many carmakers are shrinking their diesel model ranges following the Dieselgate scandal, and resulting downturn of sales, it’s pleasing, for once, to see a manufacturer that is expanding their diesel offering instead. Over the past 12 months, Audi has launched diesel versions of its S4, S5, S6, and…

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Cylinder deactivation how it works

  Cylinder deactivation how it works Cylinder deactivation technology goes by a number of names, but the principles and objectives are virtually identical. If you selectively shut down one or more cylinders of an engine when the power demands are low, then if carefully managed, it can save fuel, and also reduce emissions. Back in…

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