It has been nearly a 12 months since Volkswagen launched the eighth-generation Golf – the most recent model of VW’s best-seller. Whereas quite a bit will be stated concerning the Golf’s design, one of many nice issues about it’s that it nonetheless will be ordered with a 6-speed handbook transmission. For fanatics and purists, that is an enormous factor, contemplating that solely 12 p.c of latest fashions within the U.S. are provided with a stick shift.
However as with most fashionable vehicles, the most recent VW Golf has an engine rev grasp, which is most noticeable in vehicles geared up with a handbook gearbox.
Douglas Skorupski, Volkswagen of America, Inc.’s powertrain technique supervisor, has rationalization for this, as reported by Autoweek. In response to Skorupski, the engine rev grasp cuts the Nitrous Oxide (NOx) emissions of vehicles.
“As you pull your foot off the throttle, what we are attempting to forestall is a giant hunk of air stepping into the chamber with none gasoline. If air will get in that manner, once you do reapply throttle, it creates a lean situation (a better than 14.7:1 air-to-fuel ratio), which generates nitrous…