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Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

2007 BMW X3 Review
BMW's compact SUV, the X3, has sparked a parade of competitors from Acura to Volvo, all seemingly aimed at convincing shoppers too rich for a Honda CR-V that, yes, there is a $40,000 alternative. ...

Twin-scroll turbocharging
The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spir ...