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Tenneco developing new gasoline particulate filter (GPF) technology ahead of Euro 6c emissions regulation

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GDI engines help improve fuel economy and therefore reduce CO 2 emissions; however, they can have higher particulate emissions due to shorter fuel/air mixing times in the cylinder compared to multiport fuel injection engines.

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Bentley introduces its first diesel: Bentayga Diesel with 48V system & electric supercharger

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Peak torque is available from very early in the rev range (just 1,000 rpm). Variable-geometry, sequential twin-scroll turbochargers are powered by the exhaust gases, while a third electric supercharger—powered by Bentley’s innovative 48V system—spools up within 30 microseconds to eliminate turbo lag. seconds (0-60 mph in 4.6

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